Home / 296,780.83-445,122.34-83,563.52

Finding the Fourth Proportional to 296,780.83, 445,122.34 and 83,563.52

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Solution

The fourth proportional to 296,780.83, 445,122.34 and 83,563.52 is: 125,331.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,780.83 : 445,122.34 = 83,563.52 : x
  2. Step 2: Convert to fraction form
    296,780.83/445,122.34 = 83,563.52/x
  3. Step 3: Cross multiply
    296,780.83x = 445,122.34 × 83,563.52
  4. Step 4: Simplify right side
    296,780.83x = 37,195,987,126.52
  5. Step 5: Solve for x
    x = 37,195,987,126.52/296,780.83
  6. Step 6: Final answer
    x = 125,331.50

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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.