Home / 157,215.10-235,606.65-100,882.30

Finding the Fourth Proportional to 157,215.10, 235,606.65 and 100,882.30

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Solution

The fourth proportional to 157,215.10, 235,606.65 and 100,882.30 is: 151,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,215.10 : 235,606.65 = 100,882.30 : x
  2. Step 2: Convert to fraction form
    157,215.10/235,606.65 = 100,882.30/x
  3. Step 3: Cross multiply
    157,215.10x = 235,606.65 × 100,882.30
  4. Step 4: Simplify right side
    157,215.10x = 23,768,540,747.30
  5. Step 5: Solve for x
    x = 23,768,540,747.30/157,215.10
  6. Step 6: Final answer
    x = 151,184.85

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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.