Home / 104,426.84-144,109.20-56,680.20

Finding the Fourth Proportional to 104,426.84, 144,109.20 and 56,680.20

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Solution

The fourth proportional to 104,426.84, 144,109.20 and 56,680.20 is: 78,218.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.84 : 144,109.20 = 56,680.20 : x
  2. Step 2: Convert to fraction form
    104,426.84/144,109.20 = 56,680.20/x
  3. Step 3: Cross multiply
    104,426.84x = 144,109.20 × 56,680.20
  4. Step 4: Simplify right side
    104,426.84x = 8,168,138,277.84
  5. Step 5: Solve for x
    x = 8,168,138,277.84/104,426.84
  6. Step 6: Final answer
    x = 78,218.76

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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.