Home / 129,434.04-194,151.06-40,695.30

Finding the Fourth Proportional to 129,434.04, 194,151.06 and 40,695.30

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Solution

The fourth proportional to 129,434.04, 194,151.06 and 40,695.30 is: 61,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,434.04 : 194,151.06 = 40,695.30 : x
  2. Step 2: Convert to fraction form
    129,434.04/194,151.06 = 40,695.30/x
  3. Step 3: Cross multiply
    129,434.04x = 194,151.06 × 40,695.30
  4. Step 4: Simplify right side
    129,434.04x = 7,901,035,632.02
  5. Step 5: Solve for x
    x = 7,901,035,632.02/129,434.04
  6. Step 6: Final answer
    x = 61,042.95

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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.