Home / 112,119.24-154,732.20-68,530.52

Finding the Fourth Proportional to 112,119.24, 154,732.20 and 68,530.52

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Solution

The fourth proportional to 112,119.24, 154,732.20 and 68,530.52 is: 94,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,119.24 : 154,732.20 = 68,530.52 : x
  2. Step 2: Convert to fraction form
    112,119.24/154,732.20 = 68,530.52/x
  3. Step 3: Cross multiply
    112,119.24x = 154,732.20 × 68,530.52
  4. Step 4: Simplify right side
    112,119.24x = 10,603,878,126.74
  5. Step 5: Solve for x
    x = 10,603,878,126.74/112,119.24
  6. Step 6: Final answer
    x = 94,576.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.