Home / 134,080.24-185,116.68-119,715.28

Finding the Fourth Proportional to 134,080.24, 185,116.68 and 119,715.28

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Solution

The fourth proportional to 134,080.24, 185,116.68 and 119,715.28 is: 165,283.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,080.24 : 185,116.68 = 119,715.28 : x
  2. Step 2: Convert to fraction form
    134,080.24/185,116.68 = 119,715.28/x
  3. Step 3: Cross multiply
    134,080.24x = 185,116.68 × 119,715.28
  4. Step 4: Simplify right side
    134,080.24x = 22,161,295,178.87
  5. Step 5: Solve for x
    x = 22,161,295,178.87/134,080.24
  6. Step 6: Final answer
    x = 165,283.83

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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.