Home / 156,413.48-234,615.66-38,083.11

Finding the Fourth Proportional to 156,413.48, 234,615.66 and 38,083.11

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Solution

The fourth proportional to 156,413.48, 234,615.66 and 38,083.11 is: 57,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,413.48 : 234,615.66 = 38,083.11 : x
  2. Step 2: Convert to fraction form
    156,413.48/234,615.66 = 38,083.11/x
  3. Step 3: Cross multiply
    156,413.48x = 234,615.66 × 38,083.11
  4. Step 4: Simplify right side
    156,413.48x = 8,934,894,605.92
  5. Step 5: Solve for x
    x = 8,934,894,605.92/156,413.48
  6. Step 6: Final answer
    x = 57,123.56

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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.