Home / 104,427.20-144,109.04-56,680.14

Finding the Fourth Proportional to 104,427.20, 144,109.04 and 56,680.14

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Solution

The fourth proportional to 104,427.20, 144,109.04 and 56,680.14 is: 78,218.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.20 : 144,109.04 = 56,680.14 : x
  2. Step 2: Convert to fraction form
    104,427.20/144,109.04 = 56,680.14/x
  3. Step 3: Cross multiply
    104,427.20x = 144,109.04 × 56,680.14
  4. Step 4: Simplify right side
    104,427.20x = 8,168,120,562.47
  5. Step 5: Solve for x
    x = 8,168,120,562.47/104,427.20
  6. Step 6: Final answer
    x = 78,218.32

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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.