Home / 156,020.40-234,030.60-136,337.40

Finding the Fourth Proportional to 156,020.40, 234,030.60 and 136,337.40

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Solution

The fourth proportional to 156,020.40, 234,030.60 and 136,337.40 is: 204,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,020.40 : 234,030.60 = 136,337.40 : x
  2. Step 2: Convert to fraction form
    156,020.40/234,030.60 = 136,337.40/x
  3. Step 3: Cross multiply
    156,020.40x = 234,030.60 × 136,337.40
  4. Step 4: Simplify right side
    156,020.40x = 31,907,123,524.44
  5. Step 5: Solve for x
    x = 31,907,123,524.44/156,020.40
  6. Step 6: Final answer
    x = 204,506.10

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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.