Home / 140,935.52-194,489.64-77,273.16

Finding the Fourth Proportional to 140,935.52, 194,489.64 and 77,273.16

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Solution

The fourth proportional to 140,935.52, 194,489.64 and 77,273.16 is: 106,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,935.52 : 194,489.64 = 77,273.16 : x
  2. Step 2: Convert to fraction form
    140,935.52/194,489.64 = 77,273.16/x
  3. Step 3: Cross multiply
    140,935.52x = 194,489.64 × 77,273.16
  4. Step 4: Simplify right side
    140,935.52x = 15,028,829,070.06
  5. Step 5: Solve for x
    x = 15,028,829,070.06/140,935.52
  6. Step 6: Final answer
    x = 106,636.21

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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.