Home / 113,189.66-156,136.67-70,674.38

Finding the Fourth Proportional to 113,189.66, 156,136.67 and 70,674.38

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Solution

The fourth proportional to 113,189.66, 156,136.67 and 70,674.38 is: 97,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,189.66 : 156,136.67 = 70,674.38 : x
  2. Step 2: Convert to fraction form
    113,189.66/156,136.67 = 70,674.38/x
  3. Step 3: Cross multiply
    113,189.66x = 156,136.67 × 70,674.38
  4. Step 4: Simplify right side
    113,189.66x = 11,034,861,213.46
  5. Step 5: Solve for x
    x = 11,034,861,213.46/113,189.66
  6. Step 6: Final answer
    x = 97,490.02

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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.