Home / 105,425.19-158,517.14-97,205.72

Finding the Fourth Proportional to 105,425.19, 158,517.14 and 97,205.72

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Solution

The fourth proportional to 105,425.19, 158,517.14 and 97,205.72 is: 146,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,425.19 : 158,517.14 = 97,205.72 : x
  2. Step 2: Convert to fraction form
    105,425.19/158,517.14 = 97,205.72/x
  3. Step 3: Cross multiply
    105,425.19x = 158,517.14 × 97,205.72
  4. Step 4: Simplify right side
    105,425.19x = 15,408,771,447.43
  5. Step 5: Solve for x
    x = 15,408,771,447.43/105,425.19
  6. Step 6: Final answer
    x = 146,158.35

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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.