Home / 194,947.12-269,045.11-118,448.58

Finding the Fourth Proportional to 194,947.12, 269,045.11 and 118,448.58

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Solution

The fourth proportional to 194,947.12, 269,045.11 and 118,448.58 is: 163,470.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,947.12 : 269,045.11 = 118,448.58 : x
  2. Step 2: Convert to fraction form
    194,947.12/269,045.11 = 118,448.58/x
  3. Step 3: Cross multiply
    194,947.12x = 269,045.11 × 118,448.58
  4. Step 4: Simplify right side
    194,947.12x = 31,868,011,235.44
  5. Step 5: Solve for x
    x = 31,868,011,235.44/194,947.12
  6. Step 6: Final answer
    x = 163,470.03

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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.