Home / 138,110.34-206,833.20-93,602.05

Finding the Fourth Proportional to 138,110.34, 206,833.20 and 93,602.05

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Solution

The fourth proportional to 138,110.34, 206,833.20 and 93,602.05 is: 140,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,110.34 : 206,833.20 = 93,602.05 : x
  2. Step 2: Convert to fraction form
    138,110.34/206,833.20 = 93,602.05/x
  3. Step 3: Cross multiply
    138,110.34x = 206,833.20 × 93,602.05
  4. Step 4: Simplify right side
    138,110.34x = 19,360,011,528.06
  5. Step 5: Solve for x
    x = 19,360,011,528.06/138,110.34
  6. Step 6: Final answer
    x = 140,177.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.