Home / 97,232.40-145,848.60-80,829.90

Finding the Fourth Proportional to 97,232.40, 145,848.60 and 80,829.90

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Solution

The fourth proportional to 97,232.40, 145,848.60 and 80,829.90 is: 121,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,232.40 : 145,848.60 = 80,829.90 : x
  2. Step 2: Convert to fraction form
    97,232.40/145,848.60 = 80,829.90/x
  3. Step 3: Cross multiply
    97,232.40x = 145,848.60 × 80,829.90
  4. Step 4: Simplify right side
    97,232.40x = 11,788,927,753.14
  5. Step 5: Solve for x
    x = 11,788,927,753.14/97,232.40
  6. Step 6: Final answer
    x = 121,244.85

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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.