Home / 140,637.06-194,071.69-76,962.55

Finding the Fourth Proportional to 140,637.06, 194,071.69 and 76,962.55

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Solution

The fourth proportional to 140,637.06, 194,071.69 and 76,962.55 is: 106,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,637.06 : 194,071.69 = 76,962.55 : x
  2. Step 2: Convert to fraction form
    140,637.06/194,071.69 = 76,962.55/x
  3. Step 3: Cross multiply
    140,637.06x = 194,071.69 × 76,962.55
  4. Step 4: Simplify right side
    140,637.06x = 14,936,252,145.21
  5. Step 5: Solve for x
    x = 14,936,252,145.21/140,637.06
  6. Step 6: Final answer
    x = 106,204.24

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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.