Home / 127,757.90-191,673.84-52,864.22

Finding the Fourth Proportional to 127,757.90, 191,673.84 and 52,864.22

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Solution

The fourth proportional to 127,757.90, 191,673.84 and 52,864.22 is: 79,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,757.90 : 191,673.84 = 52,864.22 : x
  2. Step 2: Convert to fraction form
    127,757.90/191,673.84 = 52,864.22/x
  3. Step 3: Cross multiply
    127,757.90x = 191,673.84 × 52,864.22
  4. Step 4: Simplify right side
    127,757.90x = 10,132,688,046.00
  5. Step 5: Solve for x
    x = 10,132,688,046.00/127,757.90
  6. Step 6: Final answer
    x = 79,311.64

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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.