Home / 435,926.40-653,889.60-155,452.80

Finding the Fourth Proportional to 435,926.40, 653,889.60 and 155,452.80

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Solution

The fourth proportional to 435,926.40, 653,889.60 and 155,452.80 is: 233,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,926.40 : 653,889.60 = 155,452.80 : x
  2. Step 2: Convert to fraction form
    435,926.40/653,889.60 = 155,452.80/x
  3. Step 3: Cross multiply
    435,926.40x = 653,889.60 × 155,452.80
  4. Step 4: Simplify right side
    435,926.40x = 101,648,969,210.88
  5. Step 5: Solve for x
    x = 101,648,969,210.88/435,926.40
  6. Step 6: Final answer
    x = 233,179.20

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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.