Home / 435,834.20-653,621.70-169,441.40

Finding the Fourth Proportional to 435,834.20, 653,621.70 and 169,441.40

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Solution

The fourth proportional to 435,834.20, 653,621.70 and 169,441.40 is: 254,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,834.20 : 653,621.70 = 169,441.40 : x
  2. Step 2: Convert to fraction form
    435,834.20/653,621.70 = 169,441.40/x
  3. Step 3: Cross multiply
    435,834.20x = 653,621.70 × 169,441.40
  4. Step 4: Simplify right side
    435,834.20x = 110,750,575,918.38
  5. Step 5: Solve for x
    x = 110,750,575,918.38/435,834.20
  6. Step 6: Final answer
    x = 254,111.71

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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.