Home / 185,917.76-256,572.96-101,041.28

Finding the Fourth Proportional to 185,917.76, 256,572.96 and 101,041.28

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Solution

The fourth proportional to 185,917.76, 256,572.96 and 101,041.28 is: 139,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,917.76 : 256,572.96 = 101,041.28 : x
  2. Step 2: Convert to fraction form
    185,917.76/256,572.96 = 101,041.28/x
  3. Step 3: Cross multiply
    185,917.76x = 256,572.96 × 101,041.28
  4. Step 4: Simplify right side
    185,917.76x = 25,924,460,291.79
  5. Step 5: Solve for x
    x = 25,924,460,291.79/185,917.76
  6. Step 6: Final answer
    x = 139,440.47

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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.