Home / 276,079.07-414,106.56-86,535.11

Finding the Fourth Proportional to 276,079.07, 414,106.56 and 86,535.11

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Solution

The fourth proportional to 276,079.07, 414,106.56 and 86,535.11 is: 129,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,079.07 : 414,106.56 = 86,535.11 : x
  2. Step 2: Convert to fraction form
    276,079.07/414,106.56 = 86,535.11/x
  3. Step 3: Cross multiply
    276,079.07x = 414,106.56 × 86,535.11
  4. Step 4: Simplify right side
    276,079.07x = 35,834,756,226.84
  5. Step 5: Solve for x
    x = 35,834,756,226.84/276,079.07
  6. Step 6: Final answer
    x = 129,798.89

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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.