Home / 351,487.02-527,121.45-126,818.25

Finding the Fourth Proportional to 351,487.02, 527,121.45 and 126,818.25

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Solution

The fourth proportional to 351,487.02, 527,121.45 and 126,818.25 is: 190,188.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,487.02 : 527,121.45 = 126,818.25 : x
  2. Step 2: Convert to fraction form
    351,487.02/527,121.45 = 126,818.25/x
  3. Step 3: Cross multiply
    351,487.02x = 527,121.45 × 126,818.25
  4. Step 4: Simplify right side
    351,487.02x = 66,848,619,826.46
  5. Step 5: Solve for x
    x = 66,848,619,826.46/351,487.02
  6. Step 6: Final answer
    x = 190,188.02

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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.