Home / 127,722.26-176,256.60-71,133.50

Finding the Fourth Proportional to 127,722.26, 176,256.60 and 71,133.50

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Solution

The fourth proportional to 127,722.26, 176,256.60 and 71,133.50 is: 98,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,722.26 : 176,256.60 = 71,133.50 : x
  2. Step 2: Convert to fraction form
    127,722.26/176,256.60 = 71,133.50/x
  3. Step 3: Cross multiply
    127,722.26x = 176,256.60 × 71,133.50
  4. Step 4: Simplify right side
    127,722.26x = 12,537,748,856.10
  5. Step 5: Solve for x
    x = 12,537,748,856.10/127,722.26
  6. Step 6: Final answer
    x = 98,164.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.