Home / 103,095.18-154,380.26-67,928.22

Finding the Fourth Proportional to 103,095.18, 154,380.26 and 67,928.22

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Solution

The fourth proportional to 103,095.18, 154,380.26 and 67,928.22 is: 101,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,095.18 : 154,380.26 = 67,928.22 : x
  2. Step 2: Convert to fraction form
    103,095.18/154,380.26 = 67,928.22/x
  3. Step 3: Cross multiply
    103,095.18x = 154,380.26 × 67,928.22
  4. Step 4: Simplify right side
    103,095.18x = 10,486,775,925.30
  5. Step 5: Solve for x
    x = 10,486,775,925.30/103,095.18
  6. Step 6: Final answer
    x = 101,719.36

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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.