Home / 231,169.94-319,012.02-127,803.68

Finding the Fourth Proportional to 231,169.94, 319,012.02 and 127,803.68

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Solution

The fourth proportional to 231,169.94, 319,012.02 and 127,803.68 is: 176,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,169.94 : 319,012.02 = 127,803.68 : x
  2. Step 2: Convert to fraction form
    231,169.94/319,012.02 = 127,803.68/x
  3. Step 3: Cross multiply
    231,169.94x = 319,012.02 × 127,803.68
  4. Step 4: Simplify right side
    231,169.94x = 40,770,908,525.17
  5. Step 5: Solve for x
    x = 40,770,908,525.17/231,169.94
  6. Step 6: Final answer
    x = 176,367.69

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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.