Home / 131,712,400.80-197,568,601.20-124,322,090.40

Finding the Fourth Proportional to 131,712,400.80, 197,568,601.20 and 124,322,090.40

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Solution

The fourth proportional to 131,712,400.80, 197,568,601.20 and 124,322,090.40 is: 186,483,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,712,400.80 : 197,568,601.20 = 124,322,090.40 : x
  2. Step 2: Convert to fraction form
    131,712,400.80/197,568,601.20 = 124,322,090.40/x
  3. Step 3: Cross multiply
    131,712,400.80x = 197,568,601.20 × 124,322,090.40
  4. Step 4: Simplify right side
    131,712,400.80x = 24,562,141,498,587,948
  5. Step 5: Solve for x
    x = 24,562,141,498,587,948/131,712,400.80
  6. Step 6: Final answer
    x = 186,483,135.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.