Home / 283,523.90-391,280.64-156,199.46

Finding the Fourth Proportional to 283,523.90, 391,280.64 and 156,199.46

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Solution

The fourth proportional to 283,523.90, 391,280.64 and 156,199.46 is: 215,564.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,523.90 : 391,280.64 = 156,199.46 : x
  2. Step 2: Convert to fraction form
    283,523.90/391,280.64 = 156,199.46/x
  3. Step 3: Cross multiply
    283,523.90x = 391,280.64 × 156,199.46
  4. Step 4: Simplify right side
    283,523.90x = 61,117,824,676.45
  5. Step 5: Solve for x
    x = 61,117,824,676.45/283,523.90
  6. Step 6: Final answer
    x = 215,564.98

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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.