Home / 125,987.19-173,862.33-69,398.58

Finding the Fourth Proportional to 125,987.19, 173,862.33 and 69,398.58

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Solution

The fourth proportional to 125,987.19, 173,862.33 and 69,398.58 is: 95,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,987.19 : 173,862.33 = 69,398.58 : x
  2. Step 2: Convert to fraction form
    125,987.19/173,862.33 = 69,398.58/x
  3. Step 3: Cross multiply
    125,987.19x = 173,862.33 × 69,398.58
  4. Step 4: Simplify right side
    125,987.19x = 12,065,798,817.49
  5. Step 5: Solve for x
    x = 12,065,798,817.49/125,987.19
  6. Step 6: Final answer
    x = 95,770.04

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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.