Home / 261,397.59-391,938.22-117,277.02

Finding the Fourth Proportional to 261,397.59, 391,938.22 and 117,277.02

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Solution

The fourth proportional to 261,397.59, 391,938.22 and 117,277.02 is: 175,844.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,397.59 : 391,938.22 = 117,277.02 : x
  2. Step 2: Convert to fraction form
    261,397.59/391,938.22 = 117,277.02/x
  3. Step 3: Cross multiply
    261,397.59x = 391,938.22 × 117,277.02
  4. Step 4: Simplify right side
    261,397.59x = 45,965,346,465.70
  5. Step 5: Solve for x
    x = 45,965,346,465.70/261,397.59
  6. Step 6: Final answer
    x = 175,844.57

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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.