Home / 296,948.10-445,422.15-83,715.60

Finding the Fourth Proportional to 296,948.10, 445,422.15 and 83,715.60

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Solution

The fourth proportional to 296,948.10, 445,422.15 and 83,715.60 is: 125,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,948.10 : 445,422.15 = 83,715.60 : x
  2. Step 2: Convert to fraction form
    296,948.10/445,422.15 = 83,715.60/x
  3. Step 3: Cross multiply
    296,948.10x = 445,422.15 × 83,715.60
  4. Step 4: Simplify right side
    296,948.10x = 37,288,782,540.54
  5. Step 5: Solve for x
    x = 37,288,782,540.54/296,948.10
  6. Step 6: Final answer
    x = 125,573.40

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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.