Home / 140,928.42-194,483.13-77,266.08

Finding the Fourth Proportional to 140,928.42, 194,483.13 and 77,266.08

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Solution

The fourth proportional to 140,928.42, 194,483.13 and 77,266.08 is: 106,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,928.42 : 194,483.13 = 77,266.08 : x
  2. Step 2: Convert to fraction form
    140,928.42/194,483.13 = 77,266.08/x
  3. Step 3: Cross multiply
    140,928.42x = 194,483.13 × 77,266.08
  4. Step 4: Simplify right side
    140,928.42x = 15,026,949,081.23
  5. Step 5: Solve for x
    x = 15,026,949,081.23/140,928.42
  6. Step 6: Final answer
    x = 106,628.24

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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.