Home / 156,074.85-215,385.08-88,095.60

Finding the Fourth Proportional to 156,074.85, 215,385.08 and 88,095.60

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Solution

The fourth proportional to 156,074.85, 215,385.08 and 88,095.60 is: 121,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,074.85 : 215,385.08 = 88,095.60 : x
  2. Step 2: Convert to fraction form
    156,074.85/215,385.08 = 88,095.60/x
  3. Step 3: Cross multiply
    156,074.85x = 215,385.08 × 88,095.60
  4. Step 4: Simplify right side
    156,074.85x = 18,974,477,413.17
  5. Step 5: Solve for x
    x = 18,974,477,413.17/156,074.85
  6. Step 6: Final answer
    x = 121,572.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.