Home / 394,205.76-591,462.04-157,616.10

Finding the Fourth Proportional to 394,205.76, 591,462.04 and 157,616.10

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Solution

The fourth proportional to 394,205.76, 591,462.04 and 157,616.10 is: 236,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,205.76 : 591,462.04 = 157,616.10 : x
  2. Step 2: Convert to fraction form
    394,205.76/591,462.04 = 157,616.10/x
  3. Step 3: Cross multiply
    394,205.76x = 591,462.04 × 157,616.10
  4. Step 4: Simplify right side
    394,205.76x = 93,223,941,386.17
  5. Step 5: Solve for x
    x = 93,223,941,386.17/394,205.76
  6. Step 6: Final answer
    x = 236,485.49

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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.