Home / 156,590.16-234,921.12-67,858.56

Finding the Fourth Proportional to 156,590.16, 234,921.12 and 67,858.56

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Solution

The fourth proportional to 156,590.16, 234,921.12 and 67,858.56 is: 101,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,590.16 : 234,921.12 = 67,858.56 : x
  2. Step 2: Convert to fraction form
    156,590.16/234,921.12 = 67,858.56/x
  3. Step 3: Cross multiply
    156,590.16x = 234,921.12 × 67,858.56
  4. Step 4: Simplify right side
    156,590.16x = 15,941,408,916.79
  5. Step 5: Solve for x
    x = 15,941,408,916.79/156,590.16
  6. Step 6: Final answer
    x = 101,803.39

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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.