Home / 125,565.33-173,325.65-83,137.53

Finding the Fourth Proportional to 125,565.33, 173,325.65 and 83,137.53

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Solution

The fourth proportional to 125,565.33, 173,325.65 and 83,137.53 is: 114,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,565.33 : 173,325.65 = 83,137.53 : x
  2. Step 2: Convert to fraction form
    125,565.33/173,325.65 = 83,137.53/x
  3. Step 3: Cross multiply
    125,565.33x = 173,325.65 × 83,137.53
  4. Step 4: Simplify right side
    125,565.33x = 14,409,866,010.96
  5. Step 5: Solve for x
    x = 14,409,866,010.96/125,565.33
  6. Step 6: Final answer
    x = 114,759.91

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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.