Home / 212,971.68-293,898.96-116,180.64

Finding the Fourth Proportional to 212,971.68, 293,898.96 and 116,180.64

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Solution

The fourth proportional to 212,971.68, 293,898.96 and 116,180.64 is: 160,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,971.68 : 293,898.96 = 116,180.64 : x
  2. Step 2: Convert to fraction form
    212,971.68/293,898.96 = 116,180.64/x
  3. Step 3: Cross multiply
    212,971.68x = 293,898.96 × 116,180.64
  4. Step 4: Simplify right side
    212,971.68x = 34,145,369,268.13
  5. Step 5: Solve for x
    x = 34,145,369,268.13/212,971.68
  6. Step 6: Final answer
    x = 160,328.21

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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.