Home / 328,977.46-454,009.89-185,685.22

Finding the Fourth Proportional to 328,977.46, 454,009.89 and 185,685.22

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Solution

The fourth proportional to 328,977.46, 454,009.89 and 185,685.22 is: 256,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,977.46 : 454,009.89 = 185,685.22 : x
  2. Step 2: Convert to fraction form
    328,977.46/454,009.89 = 185,685.22/x
  3. Step 3: Cross multiply
    328,977.46x = 454,009.89 × 185,685.22
  4. Step 4: Simplify right side
    328,977.46x = 84,302,926,306.83
  5. Step 5: Solve for x
    x = 84,302,926,306.83/328,977.46
  6. Step 6: Final answer
    x = 256,257.45

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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.