Home / 192,679.26-289,013.47-52,439.10

Finding the Fourth Proportional to 192,679.26, 289,013.47 and 52,439.10

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Solution

The fourth proportional to 192,679.26, 289,013.47 and 52,439.10 is: 78,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,679.26 : 289,013.47 = 52,439.10 : x
  2. Step 2: Convert to fraction form
    192,679.26/289,013.47 = 52,439.10/x
  3. Step 3: Cross multiply
    192,679.26x = 289,013.47 × 52,439.10
  4. Step 4: Simplify right side
    192,679.26x = 15,155,606,254.68
  5. Step 5: Solve for x
    x = 15,155,606,254.68/192,679.26
  6. Step 6: Final answer
    x = 78,657.17

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1.5x scale

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.