Home / 435,629.52-653,420.76-136,075.71

Finding the Fourth Proportional to 435,629.52, 653,420.76 and 136,075.71

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Solution

The fourth proportional to 435,629.52, 653,420.76 and 136,075.71 is: 204,106.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,629.52 : 653,420.76 = 136,075.71 : x
  2. Step 2: Convert to fraction form
    435,629.52/653,420.76 = 136,075.71/x
  3. Step 3: Cross multiply
    435,629.52x = 653,420.76 × 136,075.71
  4. Step 4: Simplify right side
    435,629.52x = 88,914,693,845.74
  5. Step 5: Solve for x
    x = 88,914,693,845.74/435,629.52
  6. Step 6: Final answer
    x = 204,106.22

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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.