Home / 132,311.60-197,981.40-97,319.60

Finding the Fourth Proportional to 132,311.60, 197,981.40 and 97,319.60

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Solution

The fourth proportional to 132,311.60, 197,981.40 and 97,319.60 is: 145,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,311.60 : 197,981.40 = 97,319.60 : x
  2. Step 2: Convert to fraction form
    132,311.60/197,981.40 = 97,319.60/x
  3. Step 3: Cross multiply
    132,311.60x = 197,981.40 × 97,319.60
  4. Step 4: Simplify right side
    132,311.60x = 19,267,470,655.44
  5. Step 5: Solve for x
    x = 19,267,470,655.44/132,311.60
  6. Step 6: Final answer
    x = 145,621.93

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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.