Home / 127,836.63-176,422.25-70,475.87

Finding the Fourth Proportional to 127,836.63, 176,422.25 and 70,475.87

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Solution

The fourth proportional to 127,836.63, 176,422.25 and 70,475.87 is: 97,260.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,836.63 : 176,422.25 = 70,475.87 : x
  2. Step 2: Convert to fraction form
    127,836.63/176,422.25 = 70,475.87/x
  3. Step 3: Cross multiply
    127,836.63x = 176,422.25 × 70,475.87
  4. Step 4: Simplify right side
    127,836.63x = 12,433,512,173.35
  5. Step 5: Solve for x
    x = 12,433,512,173.35/127,836.63
  6. Step 6: Final answer
    x = 97,260.95

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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.