Home / 104,514.84-144,231.25-56,768.20

Finding the Fourth Proportional to 104,514.84, 144,231.25 and 56,768.20

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Solution

The fourth proportional to 104,514.84, 144,231.25 and 56,768.20 is: 78,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,514.84 : 144,231.25 = 56,768.20 : x
  2. Step 2: Convert to fraction form
    104,514.84/144,231.25 = 56,768.20/x
  3. Step 3: Cross multiply
    104,514.84x = 144,231.25 × 56,768.20
  4. Step 4: Simplify right side
    104,514.84x = 8,187,748,446.25
  5. Step 5: Solve for x
    x = 8,187,748,446.25/104,514.84
  6. Step 6: Final answer
    x = 78,340.53

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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.