Home / 212,989.32-293,923.62-117,500.04

Finding the Fourth Proportional to 212,989.32, 293,923.62 and 117,500.04

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Solution

The fourth proportional to 212,989.32, 293,923.62 and 117,500.04 is: 162,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,989.32 : 293,923.62 = 117,500.04 : x
  2. Step 2: Convert to fraction form
    212,989.32/293,923.62 = 117,500.04/x
  3. Step 3: Cross multiply
    212,989.32x = 293,923.62 × 117,500.04
  4. Step 4: Simplify right side
    212,989.32x = 34,536,037,106.94
  5. Step 5: Solve for x
    x = 34,536,037,106.94/212,989.32
  6. Step 6: Final answer
    x = 162,149.15

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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.