Home / 219,247.20-327,920.59-129,075.03

Finding the Fourth Proportional to 219,247.20, 327,920.59 and 129,075.03

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Solution

The fourth proportional to 219,247.20, 327,920.59 and 129,075.03 is: 193,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,247.20 : 327,920.59 = 129,075.03 : x
  2. Step 2: Convert to fraction form
    219,247.20/327,920.59 = 129,075.03/x
  3. Step 3: Cross multiply
    219,247.20x = 327,920.59 × 129,075.03
  4. Step 4: Simplify right side
    219,247.20x = 42,326,359,991.87
  5. Step 5: Solve for x
    x = 42,326,359,991.87/219,247.20
  6. Step 6: Final answer
    x = 193,053.14

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1.5x scale

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.