Home / 140,925.36-194,476.95-77,261.82

Finding the Fourth Proportional to 140,925.36, 194,476.95 and 77,261.82

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Solution

The fourth proportional to 140,925.36, 194,476.95 and 77,261.82 is: 106,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,925.36 : 194,476.95 = 77,261.82 : x
  2. Step 2: Convert to fraction form
    140,925.36/194,476.95 = 77,261.82/x
  3. Step 3: Cross multiply
    140,925.36x = 194,476.95 × 77,261.82
  4. Step 4: Simplify right side
    140,925.36x = 15,025,643,105.05
  5. Step 5: Solve for x
    x = 15,025,643,105.05/140,925.36
  6. Step 6: Final answer
    x = 106,621.29

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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.