Home / 227,123.02-313,440.33-131,659.66

Finding the Fourth Proportional to 227,123.02, 313,440.33 and 131,659.66

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Solution

The fourth proportional to 227,123.02, 313,440.33 and 131,659.66 is: 181,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,123.02 : 313,440.33 = 131,659.66 : x
  2. Step 2: Convert to fraction form
    227,123.02/313,440.33 = 131,659.66/x
  3. Step 3: Cross multiply
    227,123.02x = 313,440.33 × 131,659.66
  4. Step 4: Simplify right side
    227,123.02x = 41,267,447,278.09
  5. Step 5: Solve for x
    x = 41,267,447,278.09/227,123.02
  6. Step 6: Final answer
    x = 181,696.45

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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.