Home / 181,686.60-250,724.07-101,113.38

Finding the Fourth Proportional to 181,686.60, 250,724.07 and 101,113.38

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Solution

The fourth proportional to 181,686.60, 250,724.07 and 101,113.38 is: 139,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,686.60 : 250,724.07 = 101,113.38 : x
  2. Step 2: Convert to fraction form
    181,686.60/250,724.07 = 101,113.38/x
  3. Step 3: Cross multiply
    181,686.60x = 250,724.07 × 101,113.38
  4. Step 4: Simplify right side
    181,686.60x = 25,351,558,165.06
  5. Step 5: Solve for x
    x = 25,351,558,165.06/181,686.60
  6. Step 6: Final answer
    x = 139,534.55

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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.