Home / 385,528.11-532,084.66-222,152.83

Finding the Fourth Proportional to 385,528.11, 532,084.66 and 222,152.83

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Solution

The fourth proportional to 385,528.11, 532,084.66 and 222,152.83 is: 306,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,528.11 : 532,084.66 = 222,152.83 : x
  2. Step 2: Convert to fraction form
    385,528.11/532,084.66 = 222,152.83/x
  3. Step 3: Cross multiply
    385,528.11x = 532,084.66 × 222,152.83
  4. Step 4: Simplify right side
    385,528.11x = 118,204,115,375.58
  5. Step 5: Solve for x
    x = 118,204,115,375.58/385,528.11
  6. Step 6: Final answer
    x = 306,603.10

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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.