Home / 127,172.16-190,891.08-93,929.76

Finding the Fourth Proportional to 127,172.16, 190,891.08 and 93,929.76

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Solution

The fourth proportional to 127,172.16, 190,891.08 and 93,929.76 is: 140,992.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,172.16 : 190,891.08 = 93,929.76 : x
  2. Step 2: Convert to fraction form
    127,172.16/190,891.08 = 93,929.76/x
  3. Step 3: Cross multiply
    127,172.16x = 190,891.08 × 93,929.76
  4. Step 4: Simplify right side
    127,172.16x = 17,930,353,330.54
  5. Step 5: Solve for x
    x = 17,930,353,330.54/127,172.16
  6. Step 6: Final answer
    x = 140,992.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.