Home / 124,493.40-186,740.10-30,999.15

Finding the Fourth Proportional to 124,493.40, 186,740.10 and 30,999.15

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Solution

The fourth proportional to 124,493.40, 186,740.10 and 30,999.15 is: 46,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,493.40 : 186,740.10 = 30,999.15 : x
  2. Step 2: Convert to fraction form
    124,493.40/186,740.10 = 30,999.15/x
  3. Step 3: Cross multiply
    124,493.40x = 186,740.10 × 30,999.15
  4. Step 4: Simplify right side
    124,493.40x = 5,788,784,370.92
  5. Step 5: Solve for x
    x = 5,788,784,370.92/124,493.40
  6. Step 6: Final answer
    x = 46,498.73

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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.