Home / 181,922.48-251,071.40-101,363.12

Finding the Fourth Proportional to 181,922.48, 251,071.40 and 101,363.12

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Solution

The fourth proportional to 181,922.48, 251,071.40 and 101,363.12 is: 139,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,922.48 : 251,071.40 = 101,363.12 : x
  2. Step 2: Convert to fraction form
    181,922.48/251,071.40 = 101,363.12/x
  3. Step 3: Cross multiply
    181,922.48x = 251,071.40 × 101,363.12
  4. Step 4: Simplify right side
    181,922.48x = 25,449,380,446.77
  5. Step 5: Solve for x
    x = 25,449,380,446.77/181,922.48
  6. Step 6: Final answer
    x = 139,891.35

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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.