Home / 283,634.23-391,423.44-156,318.03

Finding the Fourth Proportional to 283,634.23, 391,423.44 and 156,318.03

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Solution

The fourth proportional to 283,634.23, 391,423.44 and 156,318.03 is: 215,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,634.23 : 391,423.44 = 156,318.03 : x
  2. Step 2: Convert to fraction form
    283,634.23/391,423.44 = 156,318.03/x
  3. Step 3: Cross multiply
    283,634.23x = 391,423.44 × 156,318.03
  4. Step 4: Simplify right side
    283,634.23x = 61,186,541,036.62
  5. Step 5: Solve for x
    x = 61,186,541,036.62/283,634.23
  6. Step 6: Final answer
    x = 215,723.40

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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.