Home / 195,012.38-269,117.08-105,588.38

Finding the Fourth Proportional to 195,012.38, 269,117.08 and 105,588.38

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Solution

The fourth proportional to 195,012.38, 269,117.08 and 105,588.38 is: 145,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,012.38 : 269,117.08 = 105,588.38 : x
  2. Step 2: Convert to fraction form
    195,012.38/269,117.08 = 105,588.38/x
  3. Step 3: Cross multiply
    195,012.38x = 269,117.08 × 105,588.38
  4. Step 4: Simplify right side
    195,012.38x = 28,415,634,897.97
  5. Step 5: Solve for x
    x = 28,415,634,897.97/195,012.38
  6. Step 6: Final answer
    x = 145,711.96

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1.5x scale

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.