Home / 435,913.90-653,869.35-116,065.78

Finding the Fourth Proportional to 435,913.90, 653,869.35 and 116,065.78

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Solution

The fourth proportional to 435,913.90, 653,869.35 and 116,065.78 is: 174,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,913.90 : 653,869.35 = 116,065.78 : x
  2. Step 2: Convert to fraction form
    435,913.90/653,869.35 = 116,065.78/x
  3. Step 3: Cross multiply
    435,913.90x = 653,869.35 × 116,065.78
  4. Step 4: Simplify right side
    435,913.90x = 75,891,856,125.84
  5. Step 5: Solve for x
    x = 75,891,856,125.84/435,913.90
  6. Step 6: Final answer
    x = 174,098.27

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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.