Home / 153,711.16-230,645.13-103,686.42

Finding the Fourth Proportional to 153,711.16, 230,645.13 and 103,686.42

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Solution

The fourth proportional to 153,711.16, 230,645.13 and 103,686.42 is: 155,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,711.16 : 230,645.13 = 103,686.42 : x
  2. Step 2: Convert to fraction form
    153,711.16/230,645.13 = 103,686.42/x
  3. Step 3: Cross multiply
    153,711.16x = 230,645.13 × 103,686.42
  4. Step 4: Simplify right side
    153,711.16x = 23,914,767,301.70
  5. Step 5: Solve for x
    x = 23,914,767,301.70/153,711.16
  6. Step 6: Final answer
    x = 155,582.51

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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.