Home / 104,404.20-144,077.89-56,657.55

Finding the Fourth Proportional to 104,404.20, 144,077.89 and 56,657.55

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Solution

The fourth proportional to 104,404.20, 144,077.89 and 56,657.55 is: 78,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,404.20 : 144,077.89 = 56,657.55 : x
  2. Step 2: Convert to fraction form
    104,404.20/144,077.89 = 56,657.55/x
  3. Step 3: Cross multiply
    104,404.20x = 144,077.89 × 56,657.55
  4. Step 4: Simplify right side
    104,404.20x = 8,163,100,256.57
  5. Step 5: Solve for x
    x = 8,163,100,256.57/104,404.20
  6. Step 6: Final answer
    x = 78,187.47

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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.