Home / 435,364.17-653,023.20-135,810.45

Finding the Fourth Proportional to 435,364.17, 653,023.20 and 135,810.45

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Solution

The fourth proportional to 435,364.17, 653,023.20 and 135,810.45 is: 203,708.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,364.17 : 653,023.20 = 135,810.45 : x
  2. Step 2: Convert to fraction form
    435,364.17/653,023.20 = 135,810.45/x
  3. Step 3: Cross multiply
    435,364.17x = 653,023.20 × 135,810.45
  4. Step 4: Simplify right side
    435,364.17x = 88,687,374,652.44
  5. Step 5: Solve for x
    x = 88,687,374,652.44/435,364.17
  6. Step 6: Final answer
    x = 203,708.48

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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.