Home / 161,772.32-242,659.12-49,452.12

Finding the Fourth Proportional to 161,772.32, 242,659.12 and 49,452.12

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Solution

The fourth proportional to 161,772.32, 242,659.12 and 49,452.12 is: 74,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,772.32 : 242,659.12 = 49,452.12 : x
  2. Step 2: Convert to fraction form
    161,772.32/242,659.12 = 49,452.12/x
  3. Step 3: Cross multiply
    161,772.32x = 242,659.12 × 49,452.12
  4. Step 4: Simplify right side
    161,772.32x = 12,000,007,921.33
  5. Step 5: Solve for x
    x = 12,000,007,921.33/161,772.32
  6. Step 6: Final answer
    x = 74,178.38

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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.