Home / 101,512.90-152,176.47-39,136.42

Finding the Fourth Proportional to 101,512.90, 152,176.47 and 39,136.42

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Solution

The fourth proportional to 101,512.90, 152,176.47 and 39,136.42 is: 58,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,512.90 : 152,176.47 = 39,136.42 : x
  2. Step 2: Convert to fraction form
    101,512.90/152,176.47 = 39,136.42/x
  3. Step 3: Cross multiply
    101,512.90x = 152,176.47 × 39,136.42
  4. Step 4: Simplify right side
    101,512.90x = 5,955,642,244.04
  5. Step 5: Solve for x
    x = 5,955,642,244.04/101,512.90
  6. Step 6: Final answer
    x = 58,668.82

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1.5x scale

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.