Home / 435,432.41-653,189.84-169,213.46

Finding the Fourth Proportional to 435,432.41, 653,189.84 and 169,213.46

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Solution

The fourth proportional to 435,432.41, 653,189.84 and 169,213.46 is: 253,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,432.41 : 653,189.84 = 169,213.46 : x
  2. Step 2: Convert to fraction form
    435,432.41/653,189.84 = 169,213.46/x
  3. Step 3: Cross multiply
    435,432.41x = 653,189.84 × 169,213.46
  4. Step 4: Simplify right side
    435,432.41x = 110,528,509,385.78
  5. Step 5: Solve for x
    x = 110,528,509,385.78/435,432.41
  6. Step 6: Final answer
    x = 253,836.20

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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.