Home / 212,317.16-292,991.64-116,823.92

Finding the Fourth Proportional to 212,317.16, 292,991.64 and 116,823.92

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Solution

The fourth proportional to 212,317.16, 292,991.64 and 116,823.92 is: 161,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,317.16 : 292,991.64 = 116,823.92 : x
  2. Step 2: Convert to fraction form
    212,317.16/292,991.64 = 116,823.92/x
  3. Step 3: Cross multiply
    212,317.16x = 292,991.64 × 116,823.92
  4. Step 4: Simplify right side
    212,317.16x = 34,228,431,912.03
  5. Step 5: Solve for x
    x = 34,228,431,912.03/212,317.16
  6. Step 6: Final answer
    x = 161,213.69

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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.