Home / 435,924.20-653,756.70-169,531.40

Finding the Fourth Proportional to 435,924.20, 653,756.70 and 169,531.40

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Solution

The fourth proportional to 435,924.20, 653,756.70 and 169,531.40 is: 254,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,924.20 : 653,756.70 = 169,531.40 : x
  2. Step 2: Convert to fraction form
    435,924.20/653,756.70 = 169,531.40/x
  3. Step 3: Cross multiply
    435,924.20x = 653,756.70 × 169,531.40
  4. Step 4: Simplify right side
    435,924.20x = 110,832,288,610.38
  5. Step 5: Solve for x
    x = 110,832,288,610.38/435,924.20
  6. Step 6: Final answer
    x = 254,246.70

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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.