Home / 102,213.52-153,340.34-35,655.82

Finding the Fourth Proportional to 102,213.52, 153,340.34 and 35,655.82

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Solution

The fourth proportional to 102,213.52, 153,340.34 and 35,655.82 is: 53,490.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,213.52 : 153,340.34 = 35,655.82 : x
  2. Step 2: Convert to fraction form
    102,213.52/153,340.34 = 35,655.82/x
  3. Step 3: Cross multiply
    102,213.52x = 153,340.34 × 35,655.82
  4. Step 4: Simplify right side
    102,213.52x = 5,467,475,000.15
  5. Step 5: Solve for x
    x = 5,467,475,000.15/102,213.52
  6. Step 6: Final answer
    x = 53,490.72

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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.