Home / 127,988.10-192,032.10-53,089.29

Finding the Fourth Proportional to 127,988.10, 192,032.10 and 53,089.29

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Solution

The fourth proportional to 127,988.10, 192,032.10 and 53,089.29 is: 79,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,988.10 : 192,032.10 = 53,089.29 : x
  2. Step 2: Convert to fraction form
    127,988.10/192,032.10 = 53,089.29/x
  3. Step 3: Cross multiply
    127,988.10x = 192,032.10 × 53,089.29
  4. Step 4: Simplify right side
    127,988.10x = 10,194,847,846.21
  5. Step 5: Solve for x
    x = 10,194,847,846.21/127,988.10
  6. Step 6: Final answer
    x = 79,654.65

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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.