Home / 212,713.16-293,546.10-117,223.28

Finding the Fourth Proportional to 212,713.16, 293,546.10 and 117,223.28

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Solution

The fourth proportional to 212,713.16, 293,546.10 and 117,223.28 is: 161,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,713.16 : 293,546.10 = 117,223.28 : x
  2. Step 2: Convert to fraction form
    212,713.16/293,546.10 = 117,223.28/x
  3. Step 3: Cross multiply
    212,713.16x = 293,546.10 × 117,223.28
  4. Step 4: Simplify right side
    212,713.16x = 34,410,436,673.21
  5. Step 5: Solve for x
    x = 34,410,436,673.21/212,713.16
  6. Step 6: Final answer
    x = 161,769.20

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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.