Home / 151,778.13-209,468.70-88,112.13

Finding the Fourth Proportional to 151,778.13, 209,468.70 and 88,112.13

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Solution

The fourth proportional to 151,778.13, 209,468.70 and 88,112.13 is: 121,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,778.13 : 209,468.70 = 88,112.13 : x
  2. Step 2: Convert to fraction form
    151,778.13/209,468.70 = 88,112.13/x
  3. Step 3: Cross multiply
    151,778.13x = 209,468.70 × 88,112.13
  4. Step 4: Simplify right side
    151,778.13x = 18,456,733,325.33
  5. Step 5: Solve for x
    x = 18,456,733,325.33/151,778.13
  6. Step 6: Final answer
    x = 121,603.38

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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.