Home / 134,778.60-202,167.90-108,534.60

Finding the Fourth Proportional to 134,778.60, 202,167.90 and 108,534.60

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Solution

The fourth proportional to 134,778.60, 202,167.90 and 108,534.60 is: 162,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,778.60 : 202,167.90 = 108,534.60 : x
  2. Step 2: Convert to fraction form
    134,778.60/202,167.90 = 108,534.60/x
  3. Step 3: Cross multiply
    134,778.60x = 202,167.90 × 108,534.60
  4. Step 4: Simplify right side
    134,778.60x = 21,942,212,159.34
  5. Step 5: Solve for x
    x = 21,942,212,159.34/134,778.60
  6. Step 6: Final answer
    x = 162,801.90

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1.5x scale

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.