Home / 127,822.54-176,387.03-70,458.70

Finding the Fourth Proportional to 127,822.54, 176,387.03 and 70,458.70

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Solution

The fourth proportional to 127,822.54, 176,387.03 and 70,458.70 is: 97,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,822.54 : 176,387.03 = 70,458.70 : x
  2. Step 2: Convert to fraction form
    127,822.54/176,387.03 = 70,458.70/x
  3. Step 3: Cross multiply
    127,822.54x = 176,387.03 × 70,458.70
  4. Step 4: Simplify right side
    127,822.54x = 12,427,999,596.43
  5. Step 5: Solve for x
    x = 12,427,999,596.43/127,822.54
  6. Step 6: Final answer
    x = 97,228.55

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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.