Home / 136,637.10-204,955.65-127,305.90

Finding the Fourth Proportional to 136,637.10, 204,955.65 and 127,305.90

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Solution

The fourth proportional to 136,637.10, 204,955.65 and 127,305.90 is: 190,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,637.10 : 204,955.65 = 127,305.90 : x
  2. Step 2: Convert to fraction form
    136,637.10/204,955.65 = 127,305.90/x
  3. Step 3: Cross multiply
    136,637.10x = 204,955.65 × 127,305.90
  4. Step 4: Simplify right side
    136,637.10x = 26,092,063,483.34
  5. Step 5: Solve for x
    x = 26,092,063,483.34/136,637.10
  6. Step 6: Final answer
    x = 190,958.85

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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.