Home / 148,706.08-205,147.44-88,279.12

Finding the Fourth Proportional to 148,706.08, 205,147.44 and 88,279.12

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Solution

The fourth proportional to 148,706.08, 205,147.44 and 88,279.12 is: 121,785.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,706.08 : 205,147.44 = 88,279.12 : x
  2. Step 2: Convert to fraction form
    148,706.08/205,147.44 = 88,279.12/x
  3. Step 3: Cross multiply
    148,706.08x = 205,147.44 × 88,279.12
  4. Step 4: Simplify right side
    148,706.08x = 18,110,235,473.45
  5. Step 5: Solve for x
    x = 18,110,235,473.45/148,706.08
  6. Step 6: Final answer
    x = 121,785.44

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1.5x scale

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.