Home / 140,966.38-194,533.41-77,304.16

Finding the Fourth Proportional to 140,966.38, 194,533.41 and 77,304.16

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Solution

The fourth proportional to 140,966.38, 194,533.41 and 77,304.16 is: 106,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,966.38 : 194,533.41 = 77,304.16 : x
  2. Step 2: Convert to fraction form
    140,966.38/194,533.41 = 77,304.16/x
  3. Step 3: Cross multiply
    140,966.38x = 194,533.41 × 77,304.16
  4. Step 4: Simplify right side
    140,966.38x = 15,038,241,851.99
  5. Step 5: Solve for x
    x = 15,038,241,851.99/140,966.38
  6. Step 6: Final answer
    x = 106,679.63

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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.