Home / 181,730.35-250,782.27-101,155.78

Finding the Fourth Proportional to 181,730.35, 250,782.27 and 101,155.78

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Solution

The fourth proportional to 181,730.35, 250,782.27 and 101,155.78 is: 139,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,730.35 : 250,782.27 = 101,155.78 : x
  2. Step 2: Convert to fraction form
    181,730.35/250,782.27 = 101,155.78/x
  3. Step 3: Cross multiply
    181,730.35x = 250,782.27 × 101,155.78
  4. Step 4: Simplify right side
    181,730.35x = 25,368,076,132.02
  5. Step 5: Solve for x
    x = 25,368,076,132.02/181,730.35
  6. Step 6: Final answer
    x = 139,591.85

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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.