Home / 181,905.10-251,036.60-101,332.62

Finding the Fourth Proportional to 181,905.10, 251,036.60 and 101,332.62

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Solution

The fourth proportional to 181,905.10, 251,036.60 and 101,332.62 is: 139,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,905.10 : 251,036.60 = 101,332.62 : x
  2. Step 2: Convert to fraction form
    181,905.10/251,036.60 = 101,332.62/x
  3. Step 3: Cross multiply
    181,905.10x = 251,036.60 × 101,332.62
  4. Step 4: Simplify right side
    181,905.10x = 25,438,196,393.89
  5. Step 5: Solve for x
    x = 25,438,196,393.89/181,905.10
  6. Step 6: Final answer
    x = 139,843.23

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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.