Home / 105,163.90-157,438.65-94,104.70

Finding the Fourth Proportional to 105,163.90, 157,438.65 and 94,104.70

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Solution

The fourth proportional to 105,163.90, 157,438.65 and 94,104.70 is: 140,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,163.90 : 157,438.65 = 94,104.70 : x
  2. Step 2: Convert to fraction form
    105,163.90/157,438.65 = 94,104.70/x
  3. Step 3: Cross multiply
    105,163.90x = 157,438.65 × 94,104.70
  4. Step 4: Simplify right side
    105,163.90x = 14,815,716,926.66
  5. Step 5: Solve for x
    x = 14,815,716,926.66/105,163.90
  6. Step 6: Final answer
    x = 140,882.16

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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.