Home / 156,654.12-234,980.10-38,327.16

Finding the Fourth Proportional to 156,654.12, 234,980.10 and 38,327.16

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Solution

The fourth proportional to 156,654.12, 234,980.10 and 38,327.16 is: 57,490.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,654.12 : 234,980.10 = 38,327.16 : x
  2. Step 2: Convert to fraction form
    156,654.12/234,980.10 = 38,327.16/x
  3. Step 3: Cross multiply
    156,654.12x = 234,980.10 × 38,327.16
  4. Step 4: Simplify right side
    156,654.12x = 9,006,119,889.52
  5. Step 5: Solve for x
    x = 9,006,119,889.52/156,654.12
  6. Step 6: Final answer
    x = 57,490.48

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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.