Home / 127,212.06-175,532.20-73,504.20

Finding the Fourth Proportional to 127,212.06, 175,532.20 and 73,504.20

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Solution

The fourth proportional to 127,212.06, 175,532.20 and 73,504.20 is: 101,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,212.06 : 175,532.20 = 73,504.20 : x
  2. Step 2: Convert to fraction form
    127,212.06/175,532.20 = 73,504.20/x
  3. Step 3: Cross multiply
    127,212.06x = 175,532.20 × 73,504.20
  4. Step 4: Simplify right side
    127,212.06x = 12,902,353,935.24
  5. Step 5: Solve for x
    x = 12,902,353,935.24/127,212.06
  6. Step 6: Final answer
    x = 101,423.98

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1.5x scale

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.