Home / 104,490.57-144,198.18-56,744.58

Finding the Fourth Proportional to 104,490.57, 144,198.18 and 56,744.58

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Solution

The fourth proportional to 104,490.57, 144,198.18 and 56,744.58 is: 78,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,490.57 : 144,198.18 = 56,744.58 : x
  2. Step 2: Convert to fraction form
    104,490.57/144,198.18 = 56,744.58/x
  3. Step 3: Cross multiply
    104,490.57x = 144,198.18 × 56,744.58
  4. Step 4: Simplify right side
    104,490.57x = 8,182,465,160.86
  5. Step 5: Solve for x
    x = 8,182,465,160.86/104,490.57
  6. Step 6: Final answer
    x = 78,308.17

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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.