Home / 283,614.64-391,369.76-156,290.24

Finding the Fourth Proportional to 283,614.64, 391,369.76 and 156,290.24

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Solution

The fourth proportional to 283,614.64, 391,369.76 and 156,290.24 is: 215,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,614.64 : 391,369.76 = 156,290.24 : x
  2. Step 2: Convert to fraction form
    283,614.64/391,369.76 = 156,290.24/x
  3. Step 3: Cross multiply
    283,614.64x = 391,369.76 × 156,290.24
  4. Step 4: Simplify right side
    283,614.64x = 61,167,273,719.14
  5. Step 5: Solve for x
    x = 61,167,273,719.14/283,614.64
  6. Step 6: Final answer
    x = 215,670.37

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1.5x scale

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.