Home / 136,280.31-204,487.70-61,452.51

Finding the Fourth Proportional to 136,280.31, 204,487.70 and 61,452.51

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Solution

The fourth proportional to 136,280.31, 204,487.70 and 61,452.51 is: 92,209.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,280.31 : 204,487.70 = 61,452.51 : x
  2. Step 2: Convert to fraction form
    136,280.31/204,487.70 = 61,452.51/x
  3. Step 3: Cross multiply
    136,280.31x = 204,487.70 × 61,452.51
  4. Step 4: Simplify right side
    136,280.31x = 12,566,282,121.86
  5. Step 5: Solve for x
    x = 12,566,282,121.86/136,280.31
  6. Step 6: Final answer
    x = 92,209.08

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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.