Home / 283,754.10-391,583.28-156,434.25

Finding the Fourth Proportional to 283,754.10, 391,583.28 and 156,434.25

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Solution

The fourth proportional to 283,754.10, 391,583.28 and 156,434.25 is: 215,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,754.10 : 391,583.28 = 156,434.25 : x
  2. Step 2: Convert to fraction form
    283,754.10/391,583.28 = 156,434.25/x
  3. Step 3: Cross multiply
    283,754.10x = 391,583.28 × 156,434.25
  4. Step 4: Simplify right side
    283,754.10x = 61,257,036,719.34
  5. Step 5: Solve for x
    x = 61,257,036,719.34/283,754.10
  6. Step 6: Final answer
    x = 215,880.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.