Home / 253,585.20-349,958.52-140,407.96

Finding the Fourth Proportional to 253,585.20, 349,958.52 and 140,407.96

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Solution

The fourth proportional to 253,585.20, 349,958.52 and 140,407.96 is: 193,769.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,585.20 : 349,958.52 = 140,407.96 : x
  2. Step 2: Convert to fraction form
    253,585.20/349,958.52 = 140,407.96/x
  3. Step 3: Cross multiply
    253,585.20x = 349,958.52 × 140,407.96
  4. Step 4: Simplify right side
    253,585.20x = 49,136,961,877.82
  5. Step 5: Solve for x
    x = 49,136,961,877.82/253,585.20
  6. Step 6: Final answer
    x = 193,769.04

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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.