Home / 193,034.76-289,153.60-143,171.16

Finding the Fourth Proportional to 193,034.76, 289,153.60 and 143,171.16

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Solution

The fourth proportional to 193,034.76, 289,153.60 and 143,171.16 is: 214,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,034.76 : 289,153.60 = 143,171.16 : x
  2. Step 2: Convert to fraction form
    193,034.76/289,153.60 = 143,171.16/x
  3. Step 3: Cross multiply
    193,034.76x = 289,153.60 × 143,171.16
  4. Step 4: Simplify right side
    193,034.76x = 41,398,456,330.18
  5. Step 5: Solve for x
    x = 41,398,456,330.18/193,034.76
  6. Step 6: Final answer
    x = 214,461.15

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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.