Home / 125,569.34-173,331.16-83,141.54

Finding the Fourth Proportional to 125,569.34, 173,331.16 and 83,141.54

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Solution

The fourth proportional to 125,569.34, 173,331.16 and 83,141.54 is: 114,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,569.34 : 173,331.16 = 83,141.54 : x
  2. Step 2: Convert to fraction form
    125,569.34/173,331.16 = 83,141.54/x
  3. Step 3: Cross multiply
    125,569.34x = 173,331.16 × 83,141.54
  4. Step 4: Simplify right side
    125,569.34x = 14,411,019,572.39
  5. Step 5: Solve for x
    x = 14,411,019,572.39/125,569.34
  6. Step 6: Final answer
    x = 114,765.43

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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.