Home / 125,616.72-173,342.92-71,902.16

Finding the Fourth Proportional to 125,616.72, 173,342.92 and 71,902.16

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Solution

The fourth proportional to 125,616.72, 173,342.92 and 71,902.16 is: 99,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,616.72 : 173,342.92 = 71,902.16 : x
  2. Step 2: Convert to fraction form
    125,616.72/173,342.92 = 71,902.16/x
  3. Step 3: Cross multiply
    125,616.72x = 173,342.92 × 71,902.16
  4. Step 4: Simplify right side
    125,616.72x = 12,463,730,368.71
  5. Step 5: Solve for x
    x = 12,463,730,368.71/125,616.72
  6. Step 6: Final answer
    x = 99,220.31

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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.