Home / 181,354.41-250,264.02-100,778.04

Finding the Fourth Proportional to 181,354.41, 250,264.02 and 100,778.04

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Solution

The fourth proportional to 181,354.41, 250,264.02 and 100,778.04 is: 139,070.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,354.41 : 250,264.02 = 100,778.04 : x
  2. Step 2: Convert to fraction form
    181,354.41/250,264.02 = 100,778.04/x
  3. Step 3: Cross multiply
    181,354.41x = 250,264.02 × 100,778.04
  4. Step 4: Simplify right side
    181,354.41x = 25,221,117,418.12
  5. Step 5: Solve for x
    x = 25,221,117,418.12/181,354.41
  6. Step 6: Final answer
    x = 139,070.88

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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.