Home / 125,824.19-173,644.56-72,118.15

Finding the Fourth Proportional to 125,824.19, 173,644.56 and 72,118.15

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Solution

The fourth proportional to 125,824.19, 173,644.56 and 72,118.15 is: 99,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,824.19 : 173,644.56 = 72,118.15 : x
  2. Step 2: Convert to fraction form
    125,824.19/173,644.56 = 72,118.15/x
  3. Step 3: Cross multiply
    125,824.19x = 173,644.56 × 72,118.15
  4. Step 4: Simplify right side
    125,824.19x = 12,522,923,990.65
  5. Step 5: Solve for x
    x = 12,522,923,990.65/125,824.19
  6. Step 6: Final answer
    x = 99,527.16

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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.