Home / 283,426.63-391,110.80-156,102.22

Finding the Fourth Proportional to 283,426.63, 391,110.80 and 156,102.22

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Solution

The fourth proportional to 283,426.63, 391,110.80 and 156,102.22 is: 215,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,426.63 : 391,110.80 = 156,102.22 : x
  2. Step 2: Convert to fraction form
    283,426.63/391,110.80 = 156,102.22/x
  3. Step 3: Cross multiply
    283,426.63x = 391,110.80 × 156,102.22
  4. Step 4: Simplify right side
    283,426.63x = 61,053,265,171.47
  5. Step 5: Solve for x
    x = 61,053,265,171.47/283,426.63
  6. Step 6: Final answer
    x = 215,411.18

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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.