Home / 105,198.33-157,818.08-38,638.96

Finding the Fourth Proportional to 105,198.33, 157,818.08 and 38,638.96

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Solution

The fourth proportional to 105,198.33, 157,818.08 and 38,638.96 is: 57,966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,198.33 : 157,818.08 = 38,638.96 : x
  2. Step 2: Convert to fraction form
    105,198.33/157,818.08 = 38,638.96/x
  3. Step 3: Cross multiply
    105,198.33x = 157,818.08 × 38,638.96
  4. Step 4: Simplify right side
    105,198.33x = 6,097,926,287.20
  5. Step 5: Solve for x
    x = 6,097,926,287.20/105,198.33
  6. Step 6: Final answer
    x = 57,966.00

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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.