Home / 298,942.90-448,337.73-88,531.63

Finding the Fourth Proportional to 298,942.90, 448,337.73 and 88,531.63

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Solution

The fourth proportional to 298,942.90, 448,337.73 and 88,531.63 is: 132,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,942.90 : 448,337.73 = 88,531.63 : x
  2. Step 2: Convert to fraction form
    298,942.90/448,337.73 = 88,531.63/x
  3. Step 3: Cross multiply
    298,942.90x = 448,337.73 × 88,531.63
  4. Step 4: Simplify right side
    298,942.90x = 39,692,070,027.40
  5. Step 5: Solve for x
    x = 39,692,070,027.40/298,942.90
  6. Step 6: Final answer
    x = 132,774.75

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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.