Home / 181,686.24-250,739.28-101,120.40

Finding the Fourth Proportional to 181,686.24, 250,739.28 and 101,120.40

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Solution

The fourth proportional to 181,686.24, 250,739.28 and 101,120.40 is: 139,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,686.24 : 250,739.28 = 101,120.40 : x
  2. Step 2: Convert to fraction form
    181,686.24/250,739.28 = 101,120.40/x
  3. Step 3: Cross multiply
    181,686.24x = 250,739.28 × 101,120.40
  4. Step 4: Simplify right side
    181,686.24x = 25,354,856,289.31
  5. Step 5: Solve for x
    x = 25,354,856,289.31/181,686.24
  6. Step 6: Final answer
    x = 139,552.98

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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.