Home / 185,905.76-256,551.36-101,023.28

Finding the Fourth Proportional to 185,905.76, 256,551.36 and 101,023.28

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Solution

The fourth proportional to 185,905.76, 256,551.36 and 101,023.28 is: 139,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,905.76 : 256,551.36 = 101,023.28 : x
  2. Step 2: Convert to fraction form
    185,905.76/256,551.36 = 101,023.28/x
  3. Step 3: Cross multiply
    185,905.76x = 256,551.36 × 101,023.28
  4. Step 4: Simplify right side
    185,905.76x = 25,917,659,875.66
  5. Step 5: Solve for x
    x = 25,917,659,875.66/185,905.76
  6. Step 6: Final answer
    x = 139,412.89

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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.