Home / 179,148.79-247,197.10-102,653.18

Finding the Fourth Proportional to 179,148.79, 247,197.10 and 102,653.18

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Solution

The fourth proportional to 179,148.79, 247,197.10 and 102,653.18 is: 141,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,148.79 : 247,197.10 = 102,653.18 : x
  2. Step 2: Convert to fraction form
    179,148.79/247,197.10 = 102,653.18/x
  3. Step 3: Cross multiply
    179,148.79x = 247,197.10 × 102,653.18
  4. Step 4: Simplify right side
    179,148.79x = 25,375,568,401.78
  5. Step 5: Solve for x
    x = 25,375,568,401.78/179,148.79
  6. Step 6: Final answer
    x = 141,645.21

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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.