Home / 140,996.04-194,574.66-77,335.08

Finding the Fourth Proportional to 140,996.04, 194,574.66 and 77,335.08

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Solution

The fourth proportional to 140,996.04, 194,574.66 and 77,335.08 is: 106,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,996.04 : 194,574.66 = 77,335.08 : x
  2. Step 2: Convert to fraction form
    140,996.04/194,574.66 = 77,335.08/x
  3. Step 3: Cross multiply
    140,996.04x = 194,574.66 × 77,335.08
  4. Step 4: Simplify right side
    140,996.04x = 15,047,446,897.07
  5. Step 5: Solve for x
    x = 15,047,446,897.07/140,996.04
  6. Step 6: Final answer
    x = 106,722.48

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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.