Home / 212,181.39-292,819.59-116,691.57

Finding the Fourth Proportional to 212,181.39, 292,819.59 and 116,691.57

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Solution

The fourth proportional to 212,181.39, 292,819.59 and 116,691.57 is: 161,039.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,181.39 : 292,819.59 = 116,691.57 : x
  2. Step 2: Convert to fraction form
    212,181.39/292,819.59 = 116,691.57/x
  3. Step 3: Cross multiply
    212,181.39x = 292,819.59 × 116,691.57
  4. Step 4: Simplify right side
    212,181.39x = 34,169,577,683.86
  5. Step 5: Solve for x
    x = 34,169,577,683.86/212,181.39
  6. Step 6: Final answer
    x = 161,039.47

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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.