Home / 149,318.10-223,649.10-129,635.10

Finding the Fourth Proportional to 149,318.10, 223,649.10 and 129,635.10

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Solution

The fourth proportional to 149,318.10, 223,649.10 and 129,635.10 is: 194,167.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,318.10 : 223,649.10 = 129,635.10 : x
  2. Step 2: Convert to fraction form
    149,318.10/223,649.10 = 129,635.10/x
  3. Step 3: Cross multiply
    149,318.10x = 223,649.10 × 129,635.10
  4. Step 4: Simplify right side
    149,318.10x = 28,992,773,443.41
  5. Step 5: Solve for x
    x = 28,992,773,443.41/149,318.10
  6. Step 6: Final answer
    x = 194,167.84

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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.