Home / 283,899.28-391,766.88-156,567.28

Finding the Fourth Proportional to 283,899.28, 391,766.88 and 156,567.28

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Solution

The fourth proportional to 283,899.28, 391,766.88 and 156,567.28 is: 216,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,899.28 : 391,766.88 = 156,567.28 : x
  2. Step 2: Convert to fraction form
    283,899.28/391,766.88 = 156,567.28/x
  3. Step 3: Cross multiply
    283,899.28x = 391,766.88 × 156,567.28
  4. Step 4: Simplify right side
    283,899.28x = 61,337,874,795.69
  5. Step 5: Solve for x
    x = 61,337,874,795.69/283,899.28
  6. Step 6: Final answer
    x = 216,055.06

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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.