Home / 136,471.45-204,707.17-53,307.13

Finding the Fourth Proportional to 136,471.45, 204,707.17 and 53,307.13

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Solution

The fourth proportional to 136,471.45, 204,707.17 and 53,307.13 is: 79,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,471.45 : 204,707.17 = 53,307.13 : x
  2. Step 2: Convert to fraction form
    136,471.45/204,707.17 = 53,307.13/x
  3. Step 3: Cross multiply
    136,471.45x = 204,707.17 × 53,307.13
  4. Step 4: Simplify right side
    136,471.45x = 10,912,350,566.32
  5. Step 5: Solve for x
    x = 10,912,350,566.32/136,471.45
  6. Step 6: Final answer
    x = 79,960.69

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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.