Home / 109,071.60-163,607.40-88,335.60

Finding the Fourth Proportional to 109,071.60, 163,607.40 and 88,335.60

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Solution

The fourth proportional to 109,071.60, 163,607.40 and 88,335.60 is: 132,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,071.60 : 163,607.40 = 88,335.60 : x
  2. Step 2: Convert to fraction form
    109,071.60/163,607.40 = 88,335.60/x
  3. Step 3: Cross multiply
    109,071.60x = 163,607.40 × 88,335.60
  4. Step 4: Simplify right side
    109,071.60x = 14,452,357,843.44
  5. Step 5: Solve for x
    x = 14,452,357,843.44/109,071.60
  6. Step 6: Final answer
    x = 132,503.40

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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.