Home / 134,156.40-201,234.60-100,695.30

Finding the Fourth Proportional to 134,156.40, 201,234.60 and 100,695.30

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Solution

The fourth proportional to 134,156.40, 201,234.60 and 100,695.30 is: 151,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,156.40 : 201,234.60 = 100,695.30 : x
  2. Step 2: Convert to fraction form
    134,156.40/201,234.60 = 100,695.30/x
  3. Step 3: Cross multiply
    134,156.40x = 201,234.60 × 100,695.30
  4. Step 4: Simplify right side
    134,156.40x = 20,263,378,417.38
  5. Step 5: Solve for x
    x = 20,263,378,417.38/134,156.40
  6. Step 6: Final answer
    x = 151,042.95

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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.