Home / 136,207.80-204,312.63-47,463

Finding the Fourth Proportional to 136,207.80, 204,312.63 and 47,463

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Solution

The fourth proportional to 136,207.80, 204,312.63 and 47,463 is: 71,194.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,207.80 : 204,312.63 = 47,463 : x
  2. Step 2: Convert to fraction form
    136,207.80/204,312.63 = 47,463/x
  3. Step 3: Cross multiply
    136,207.80x = 204,312.63 × 47,463
  4. Step 4: Simplify right side
    136,207.80x = 9,697,290,357.69
  5. Step 5: Solve for x
    x = 9,697,290,357.69/136,207.80
  6. Step 6: Final answer
    x = 71,194.82

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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.