Home / 218,134.13-327,024.69-98,103.17

Finding the Fourth Proportional to 218,134.13, 327,024.69 and 98,103.17

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Solution

The fourth proportional to 218,134.13, 327,024.69 and 98,103.17 is: 147,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,134.13 : 327,024.69 = 98,103.17 : x
  2. Step 2: Convert to fraction form
    218,134.13/327,024.69 = 98,103.17/x
  3. Step 3: Cross multiply
    218,134.13x = 327,024.69 × 98,103.17
  4. Step 4: Simplify right side
    218,134.13x = 32,082,159,574.83
  5. Step 5: Solve for x
    x = 32,082,159,574.83/218,134.13
  6. Step 6: Final answer
    x = 147,075.38

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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.