Home / 127,488.68-191,256.26-52,567.22

Finding the Fourth Proportional to 127,488.68, 191,256.26 and 52,567.22

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Solution

The fourth proportional to 127,488.68, 191,256.26 and 52,567.22 is: 78,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,488.68 : 191,256.26 = 52,567.22 : x
  2. Step 2: Convert to fraction form
    127,488.68/191,256.26 = 52,567.22/x
  3. Step 3: Cross multiply
    127,488.68x = 191,256.26 × 52,567.22
  4. Step 4: Simplify right side
    127,488.68x = 10,053,810,111.10
  5. Step 5: Solve for x
    x = 10,053,810,111.10/127,488.68
  6. Step 6: Final answer
    x = 78,860.41

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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.