Home / 286,535.13-429,777.95-96,991.44

Finding the Fourth Proportional to 286,535.13, 429,777.95 and 96,991.44

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Solution

The fourth proportional to 286,535.13, 429,777.95 and 96,991.44 is: 145,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,535.13 : 429,777.95 = 96,991.44 : x
  2. Step 2: Convert to fraction form
    286,535.13/429,777.95 = 96,991.44/x
  3. Step 3: Cross multiply
    286,535.13x = 429,777.95 × 96,991.44
  4. Step 4: Simplify right side
    286,535.13x = 41,684,781,765.79
  5. Step 5: Solve for x
    x = 41,684,781,765.79/286,535.13
  6. Step 6: Final answer
    x = 145,478.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.