Home / 215,696.12-323,585.69-97,367.47

Finding the Fourth Proportional to 215,696.12, 323,585.69 and 97,367.47

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Solution

The fourth proportional to 215,696.12, 323,585.69 and 97,367.47 is: 146,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,696.12 : 323,585.69 = 97,367.47 : x
  2. Step 2: Convert to fraction form
    215,696.12/323,585.69 = 97,367.47/x
  3. Step 3: Cross multiply
    215,696.12x = 323,585.69 × 97,367.47
  4. Step 4: Simplify right side
    215,696.12x = 31,506,718,667.70
  5. Step 5: Solve for x
    x = 31,506,718,667.70/215,696.12
  6. Step 6: Final answer
    x = 146,069.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.