Home / 156,972.40-235,458.60-97,874.80

Finding the Fourth Proportional to 156,972.40, 235,458.60 and 97,874.80

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Solution

The fourth proportional to 156,972.40, 235,458.60 and 97,874.80 is: 146,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,972.40 : 235,458.60 = 97,874.80 : x
  2. Step 2: Convert to fraction form
    156,972.40/235,458.60 = 97,874.80/x
  3. Step 3: Cross multiply
    156,972.40x = 235,458.60 × 97,874.80
  4. Step 4: Simplify right side
    156,972.40x = 23,045,463,383.28
  5. Step 5: Solve for x
    x = 23,045,463,383.28/156,972.40
  6. Step 6: Final answer
    x = 146,812.20

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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.