Home / 435,568.12-653,213.88-140,011

Finding the Fourth Proportional to 435,568.12, 653,213.88 and 140,011

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Solution

The fourth proportional to 435,568.12, 653,213.88 and 140,011 is: 209,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,568.12 : 653,213.88 = 140,011 : x
  2. Step 2: Convert to fraction form
    435,568.12/653,213.88 = 140,011/x
  3. Step 3: Cross multiply
    435,568.12x = 653,213.88 × 140,011
  4. Step 4: Simplify right side
    435,568.12x = 91,457,128,552.68
  5. Step 5: Solve for x
    x = 91,457,128,552.68/435,568.12
  6. Step 6: Final answer
    x = 209,972.04

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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.