Home / 162,272.53-243,078.31-132,393.25

Finding the Fourth Proportional to 162,272.53, 243,078.31 and 132,393.25

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Solution

The fourth proportional to 162,272.53, 243,078.31 and 132,393.25 is: 198,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,272.53 : 243,078.31 = 132,393.25 : x
  2. Step 2: Convert to fraction form
    162,272.53/243,078.31 = 132,393.25/x
  3. Step 3: Cross multiply
    162,272.53x = 243,078.31 × 132,393.25
  4. Step 4: Simplify right side
    162,272.53x = 32,181,927,465.41
  5. Step 5: Solve for x
    x = 32,181,927,465.41/162,272.53
  6. Step 6: Final answer
    x = 198,320.24

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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.