Home / 283,742.09-391,566.71-156,422.24

Finding the Fourth Proportional to 283,742.09, 391,566.71 and 156,422.24

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Solution

The fourth proportional to 283,742.09, 391,566.71 and 156,422.24 is: 215,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,742.09 : 391,566.71 = 156,422.24 : x
  2. Step 2: Convert to fraction form
    283,742.09/391,566.71 = 156,422.24/x
  3. Step 3: Cross multiply
    283,742.09x = 391,566.71 × 156,422.24
  4. Step 4: Simplify right side
    283,742.09x = 61,249,740,909.35
  5. Step 5: Solve for x
    x = 61,249,740,909.35/283,742.09
  6. Step 6: Final answer
    x = 215,864.14

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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.