Home / 133,088.10-199,632.15-88,181.70

Finding the Fourth Proportional to 133,088.10, 199,632.15 and 88,181.70

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Solution

The fourth proportional to 133,088.10, 199,632.15 and 88,181.70 is: 132,272.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,088.10 : 199,632.15 = 88,181.70 : x
  2. Step 2: Convert to fraction form
    133,088.10/199,632.15 = 88,181.70/x
  3. Step 3: Cross multiply
    133,088.10x = 199,632.15 × 88,181.70
  4. Step 4: Simplify right side
    133,088.10x = 17,603,902,361.66
  5. Step 5: Solve for x
    x = 17,603,902,361.66/133,088.10
  6. Step 6: Final answer
    x = 132,272.55

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1.5x scale

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.