Home / 385,061.63-531,338.85-212,956.25

Finding the Fourth Proportional to 385,061.63, 531,338.85 and 212,956.25

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Solution

The fourth proportional to 385,061.63, 531,338.85 and 212,956.25 is: 293,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,061.63 : 531,338.85 = 212,956.25 : x
  2. Step 2: Convert to fraction form
    385,061.63/531,338.85 = 212,956.25/x
  3. Step 3: Cross multiply
    385,061.63x = 531,338.85 × 212,956.25
  4. Step 4: Simplify right side
    385,061.63x = 113,151,926,318.62
  5. Step 5: Solve for x
    x = 113,151,926,318.62/385,061.63
  6. Step 6: Final answer
    x = 293,854.07

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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.