Home / 127,348.08-190,956.48-57,167.28

Finding the Fourth Proportional to 127,348.08, 190,956.48 and 57,167.28

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Solution

The fourth proportional to 127,348.08, 190,956.48 and 57,167.28 is: 85,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,348.08 : 190,956.48 = 57,167.28 : x
  2. Step 2: Convert to fraction form
    127,348.08/190,956.48 = 57,167.28/x
  3. Step 3: Cross multiply
    127,348.08x = 190,956.48 × 57,167.28
  4. Step 4: Simplify right side
    127,348.08x = 10,916,462,559.97
  5. Step 5: Solve for x
    x = 10,916,462,559.97/127,348.08
  6. Step 6: Final answer
    x = 85,721.45

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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.