Home / 125,588.40-173,315.20-69,001.20

Finding the Fourth Proportional to 125,588.40, 173,315.20 and 69,001.20

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Solution

The fourth proportional to 125,588.40, 173,315.20 and 69,001.20 is: 95,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,588.40 : 173,315.20 = 69,001.20 : x
  2. Step 2: Convert to fraction form
    125,588.40/173,315.20 = 69,001.20/x
  3. Step 3: Cross multiply
    125,588.40x = 173,315.20 × 69,001.20
  4. Step 4: Simplify right side
    125,588.40x = 11,958,956,778.24
  5. Step 5: Solve for x
    x = 11,958,956,778.24/125,588.40
  6. Step 6: Final answer
    x = 95,223.42

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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.