Home / 156,935.90-235,144.65-133,607.90

Finding the Fourth Proportional to 156,935.90, 235,144.65 and 133,607.90

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Solution

The fourth proportional to 156,935.90, 235,144.65 and 133,607.90 is: 200,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935.90 : 235,144.65 = 133,607.90 : x
  2. Step 2: Convert to fraction form
    156,935.90/235,144.65 = 133,607.90/x
  3. Step 3: Cross multiply
    156,935.90x = 235,144.65 × 133,607.90
  4. Step 4: Simplify right side
    156,935.90x = 31,417,182,882.74
  5. Step 5: Solve for x
    x = 31,417,182,882.74/156,935.90
  6. Step 6: Final answer
    x = 200,191.18

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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.