Home / 135,136.18-186,487.90-73,882.59

Finding the Fourth Proportional to 135,136.18, 186,487.90 and 73,882.59

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Solution

The fourth proportional to 135,136.18, 186,487.90 and 73,882.59 is: 101,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,136.18 : 186,487.90 = 73,882.59 : x
  2. Step 2: Convert to fraction form
    135,136.18/186,487.90 = 73,882.59/x
  3. Step 3: Cross multiply
    135,136.18x = 186,487.90 × 73,882.59
  4. Step 4: Simplify right side
    135,136.18x = 13,778,209,055.66
  5. Step 5: Solve for x
    x = 13,778,209,055.66/135,136.18
  6. Step 6: Final answer
    x = 101,957.96

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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.