Home / 192,384.08-288,576.12-52,142.71

Finding the Fourth Proportional to 192,384.08, 288,576.12 and 52,142.71

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Solution

The fourth proportional to 192,384.08, 288,576.12 and 52,142.71 is: 78,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,384.08 : 288,576.12 = 52,142.71 : x
  2. Step 2: Convert to fraction form
    192,384.08/288,576.12 = 52,142.71/x
  3. Step 3: Cross multiply
    192,384.08x = 288,576.12 × 52,142.71
  4. Step 4: Simplify right side
    192,384.08x = 15,047,140,938.09
  5. Step 5: Solve for x
    x = 15,047,140,938.09/192,384.08
  6. Step 6: Final answer
    x = 78,214.07

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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.