Home / 107,740.10-161,869.35-96,335.30

Finding the Fourth Proportional to 107,740.10, 161,869.35 and 96,335.30

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Solution

The fourth proportional to 107,740.10, 161,869.35 and 96,335.30 is: 144,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,740.10 : 161,869.35 = 96,335.30 : x
  2. Step 2: Convert to fraction form
    107,740.10/161,869.35 = 96,335.30/x
  3. Step 3: Cross multiply
    107,740.10x = 161,869.35 × 96,335.30
  4. Step 4: Simplify right side
    107,740.10x = 15,593,732,393.06
  5. Step 5: Solve for x
    x = 15,593,732,393.06/107,740.10
  6. Step 6: Final answer
    x = 144,734.71

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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.