Home / 153,410.01-211,705.58-85,432.92

Finding the Fourth Proportional to 153,410.01, 211,705.58 and 85,432.92

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Solution

The fourth proportional to 153,410.01, 211,705.58 and 85,432.92 is: 117,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,410.01 : 211,705.58 = 85,432.92 : x
  2. Step 2: Convert to fraction form
    153,410.01/211,705.58 = 85,432.92/x
  3. Step 3: Cross multiply
    153,410.01x = 211,705.58 × 85,432.92
  4. Step 4: Simplify right side
    153,410.01x = 18,086,625,879.69
  5. Step 5: Solve for x
    x = 18,086,625,879.69/153,410.01
  6. Step 6: Final answer
    x = 117,897.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.