Home / 150,397.49-207,548.80-82,403.66

Finding the Fourth Proportional to 150,397.49, 207,548.80 and 82,403.66

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Solution

The fourth proportional to 150,397.49, 207,548.80 and 82,403.66 is: 113,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,397.49 : 207,548.80 = 82,403.66 : x
  2. Step 2: Convert to fraction form
    150,397.49/207,548.80 = 82,403.66/x
  3. Step 3: Cross multiply
    150,397.49x = 207,548.80 × 82,403.66
  4. Step 4: Simplify right side
    150,397.49x = 17,102,781,061.47
  5. Step 5: Solve for x
    x = 17,102,781,061.47/150,397.49
  6. Step 6: Final answer
    x = 113,717.20

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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.