Home / 132,823.40-199,235.10-66,468.20

Finding the Fourth Proportional to 132,823.40, 199,235.10 and 66,468.20

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Solution

The fourth proportional to 132,823.40, 199,235.10 and 66,468.20 is: 99,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,823.40 : 199,235.10 = 66,468.20 : x
  2. Step 2: Convert to fraction form
    132,823.40/199,235.10 = 66,468.20/x
  3. Step 3: Cross multiply
    132,823.40x = 199,235.10 × 66,468.20
  4. Step 4: Simplify right side
    132,823.40x = 13,242,798,473.82
  5. Step 5: Solve for x
    x = 13,242,798,473.82/132,823.40
  6. Step 6: Final answer
    x = 99,702.30

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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.