Home / 119,915.24-179,909.51-71,937.01

Finding the Fourth Proportional to 119,915.24, 179,909.51 and 71,937.01

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Solution

The fourth proportional to 119,915.24, 179,909.51 and 71,937.01 is: 107,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,915.24 : 179,909.51 = 71,937.01 : x
  2. Step 2: Convert to fraction form
    119,915.24/179,909.51 = 71,937.01/x
  3. Step 3: Cross multiply
    119,915.24x = 179,909.51 × 71,937.01
  4. Step 4: Simplify right side
    119,915.24x = 12,942,152,085.17
  5. Step 5: Solve for x
    x = 12,942,152,085.17/119,915.24
  6. Step 6: Final answer
    x = 107,927.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.