Home / 437,932.72-656,607.39-157,413.52

Finding the Fourth Proportional to 437,932.72, 656,607.39 and 157,413.52

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Solution

The fourth proportional to 437,932.72, 656,607.39 and 157,413.52 is: 236,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,932.72 : 656,607.39 = 157,413.52 : x
  2. Step 2: Convert to fraction form
    437,932.72/656,607.39 = 157,413.52/x
  3. Step 3: Cross multiply
    437,932.72x = 656,607.39 × 157,413.52
  4. Step 4: Simplify right side
    437,932.72x = 103,358,880,517.91
  5. Step 5: Solve for x
    x = 103,358,880,517.91/437,932.72
  6. Step 6: Final answer
    x = 236,015.43

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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.