Home / 156,961.90-235,442.85-97,864.30

Finding the Fourth Proportional to 156,961.90, 235,442.85 and 97,864.30

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Solution

The fourth proportional to 156,961.90, 235,442.85 and 97,864.30 is: 146,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,961.90 : 235,442.85 = 97,864.30 : x
  2. Step 2: Convert to fraction form
    156,961.90/235,442.85 = 97,864.30/x
  3. Step 3: Cross multiply
    156,961.90x = 235,442.85 × 97,864.30
  4. Step 4: Simplify right side
    156,961.90x = 23,041,449,705.26
  5. Step 5: Solve for x
    x = 23,041,449,705.26/156,961.90
  6. Step 6: Final answer
    x = 146,796.45

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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.