Home / 107,316.30-160,974.45-54,828.30

Finding the Fourth Proportional to 107,316.30, 160,974.45 and 54,828.30

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Solution

The fourth proportional to 107,316.30, 160,974.45 and 54,828.30 is: 82,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,316.30 : 160,974.45 = 54,828.30 : x
  2. Step 2: Convert to fraction form
    107,316.30/160,974.45 = 54,828.30/x
  3. Step 3: Cross multiply
    107,316.30x = 160,974.45 × 54,828.30
  4. Step 4: Simplify right side
    107,316.30x = 8,825,955,436.94
  5. Step 5: Solve for x
    x = 8,825,955,436.94/107,316.30
  6. Step 6: Final answer
    x = 82,242.45

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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.