Home / 181,454.16-250,392.52-100,876.78

Finding the Fourth Proportional to 181,454.16, 250,392.52 and 100,876.78

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Solution

The fourth proportional to 181,454.16, 250,392.52 and 100,876.78 is: 139,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,454.16 : 250,392.52 = 100,876.78 : x
  2. Step 2: Convert to fraction form
    181,454.16/250,392.52 = 100,876.78/x
  3. Step 3: Cross multiply
    181,454.16x = 250,392.52 × 100,876.78
  4. Step 4: Simplify right side
    181,454.16x = 25,258,791,153.69
  5. Step 5: Solve for x
    x = 25,258,791,153.69/181,454.16
  6. Step 6: Final answer
    x = 139,202.05

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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.