Home / 136,180.40-204,270.84-42,693.44

Finding the Fourth Proportional to 136,180.40, 204,270.84 and 42,693.44

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Solution

The fourth proportional to 136,180.40, 204,270.84 and 42,693.44 is: 64,040.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,180.40 : 204,270.84 = 42,693.44 : x
  2. Step 2: Convert to fraction form
    136,180.40/204,270.84 = 42,693.44/x
  3. Step 3: Cross multiply
    136,180.40x = 204,270.84 × 42,693.44
  4. Step 4: Simplify right side
    136,180.40x = 8,721,024,851.29
  5. Step 5: Solve for x
    x = 8,721,024,851.29/136,180.40
  6. Step 6: Final answer
    x = 64,040.24

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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.