Home / 127,930.23-176,543.89-70,568.26

Finding the Fourth Proportional to 127,930.23, 176,543.89 and 70,568.26

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Solution

The fourth proportional to 127,930.23, 176,543.89 and 70,568.26 is: 97,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,930.23 : 176,543.89 = 70,568.26 : x
  2. Step 2: Convert to fraction form
    127,930.23/176,543.89 = 70,568.26/x
  3. Step 3: Cross multiply
    127,930.23x = 176,543.89 × 70,568.26
  4. Step 4: Simplify right side
    127,930.23x = 12,458,394,513.15
  5. Step 5: Solve for x
    x = 12,458,394,513.15/127,930.23
  6. Step 6: Final answer
    x = 97,384.29

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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.