Home / 283,600.61-391,377.20-156,284.40

Finding the Fourth Proportional to 283,600.61, 391,377.20 and 156,284.40

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Solution

The fourth proportional to 283,600.61, 391,377.20 and 156,284.40 is: 215,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,600.61 : 391,377.20 = 156,284.40 : x
  2. Step 2: Convert to fraction form
    283,600.61/391,377.20 = 156,284.40/x
  3. Step 3: Cross multiply
    283,600.61x = 391,377.20 × 156,284.40
  4. Step 4: Simplify right side
    283,600.61x = 61,166,150,094.26
  5. Step 5: Solve for x
    x = 61,166,150,094.26/283,600.61
  6. Step 6: Final answer
    x = 215,677.08

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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.