Home / 125,108.32-172,606.59-71,354.68

Finding the Fourth Proportional to 125,108.32, 172,606.59 and 71,354.68

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Solution

The fourth proportional to 125,108.32, 172,606.59 and 71,354.68 is: 98,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,108.32 : 172,606.59 = 71,354.68 : x
  2. Step 2: Convert to fraction form
    125,108.32/172,606.59 = 71,354.68/x
  3. Step 3: Cross multiply
    125,108.32x = 172,606.59 × 71,354.68
  4. Step 4: Simplify right side
    125,108.32x = 12,316,287,995.34
  5. Step 5: Solve for x
    x = 12,316,287,995.34/125,108.32
  6. Step 6: Final answer
    x = 98,445.00

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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.