Home / 124,856.01-187,279.05-68,807.25

Finding the Fourth Proportional to 124,856.01, 187,279.05 and 68,807.25

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Solution

The fourth proportional to 124,856.01, 187,279.05 and 68,807.25 is: 103,208.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,856.01 : 187,279.05 = 68,807.25 : x
  2. Step 2: Convert to fraction form
    124,856.01/187,279.05 = 68,807.25/x
  3. Step 3: Cross multiply
    124,856.01x = 187,279.05 × 68,807.25
  4. Step 4: Simplify right side
    124,856.01x = 12,886,156,413.11
  5. Step 5: Solve for x
    x = 12,886,156,413.11/124,856.01
  6. Step 6: Final answer
    x = 103,208.14

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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.