Home / 134,024.38-200,534.09-79,790.69

Finding the Fourth Proportional to 134,024.38, 200,534.09 and 79,790.69

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Solution

The fourth proportional to 134,024.38, 200,534.09 and 79,790.69 is: 119,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,024.38 : 200,534.09 = 79,790.69 : x
  2. Step 2: Convert to fraction form
    134,024.38/200,534.09 = 79,790.69/x
  3. Step 3: Cross multiply
    134,024.38x = 200,534.09 × 79,790.69
  4. Step 4: Simplify right side
    134,024.38x = 16,000,754,110.43
  5. Step 5: Solve for x
    x = 16,000,754,110.43/134,024.38
  6. Step 6: Final answer
    x = 119,386.89

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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.