Home / 156,050.32-215,349.33-88,081.60

Finding the Fourth Proportional to 156,050.32, 215,349.33 and 88,081.60

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Solution

The fourth proportional to 156,050.32, 215,349.33 and 88,081.60 is: 121,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,050.32 : 215,349.33 = 88,081.60 : x
  2. Step 2: Convert to fraction form
    156,050.32/215,349.33 = 88,081.60/x
  3. Step 3: Cross multiply
    156,050.32x = 215,349.33 × 88,081.60
  4. Step 4: Simplify right side
    156,050.32x = 18,968,313,545.33
  5. Step 5: Solve for x
    x = 18,968,313,545.33/156,050.32
  6. Step 6: Final answer
    x = 121,552.55

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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.