Home / 140,966.90-194,534.58-77,305.16

Finding the Fourth Proportional to 140,966.90, 194,534.58 and 77,305.16

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Solution

The fourth proportional to 140,966.90, 194,534.58 and 77,305.16 is: 106,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,966.90 : 194,534.58 = 77,305.16 : x
  2. Step 2: Convert to fraction form
    140,966.90/194,534.58 = 77,305.16/x
  3. Step 3: Cross multiply
    140,966.90x = 194,534.58 × 77,305.16
  4. Step 4: Simplify right side
    140,966.90x = 15,038,526,832.43
  5. Step 5: Solve for x
    x = 15,038,526,832.43/140,966.90
  6. Step 6: Final answer
    x = 106,681.26

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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.