Home / 317,769.45-476,670.59-81,114.18

Finding the Fourth Proportional to 317,769.45, 476,670.59 and 81,114.18

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Solution

The fourth proportional to 317,769.45, 476,670.59 and 81,114.18 is: 121,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,769.45 : 476,670.59 = 81,114.18 : x
  2. Step 2: Convert to fraction form
    317,769.45/476,670.59 = 81,114.18/x
  3. Step 3: Cross multiply
    317,769.45x = 476,670.59 × 81,114.18
  4. Step 4: Simplify right side
    317,769.45x = 38,664,744,037.97
  5. Step 5: Solve for x
    x = 38,664,744,037.97/317,769.45
  6. Step 6: Final answer
    x = 121,675.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.