Home / 147,655.35-203,751.30-82,239.19

Finding the Fourth Proportional to 147,655.35, 203,751.30 and 82,239.19

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Solution

The fourth proportional to 147,655.35, 203,751.30 and 82,239.19 is: 113,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,655.35 : 203,751.30 = 82,239.19 : x
  2. Step 2: Convert to fraction form
    147,655.35/203,751.30 = 82,239.19/x
  3. Step 3: Cross multiply
    147,655.35x = 203,751.30 × 82,239.19
  4. Step 4: Simplify right side
    147,655.35x = 16,756,340,854.69
  5. Step 5: Solve for x
    x = 16,756,340,854.69/147,655.35
  6. Step 6: Final answer
    x = 113,482.79

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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.