Home / 179,206.90-247,265.80-103,711.66

Finding the Fourth Proportional to 179,206.90, 247,265.80 and 103,711.66

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Solution

The fourth proportional to 179,206.90, 247,265.80 and 103,711.66 is: 143,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,206.90 : 247,265.80 = 103,711.66 : x
  2. Step 2: Convert to fraction form
    179,206.90/247,265.80 = 103,711.66/x
  3. Step 3: Cross multiply
    179,206.90x = 247,265.80 × 103,711.66
  4. Step 4: Simplify right side
    179,206.90x = 25,644,346,579.23
  5. Step 5: Solve for x
    x = 25,644,346,579.23/179,206.90
  6. Step 6: Final answer
    x = 143,099.10

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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.