Home / 212,816.61-293,689.19-117,326.72

Finding the Fourth Proportional to 212,816.61, 293,689.19 and 117,326.72

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Solution

The fourth proportional to 212,816.61, 293,689.19 and 117,326.72 is: 161,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,816.61 : 293,689.19 = 117,326.72 : x
  2. Step 2: Convert to fraction form
    212,816.61/293,689.19 = 117,326.72/x
  3. Step 3: Cross multiply
    212,816.61x = 293,689.19 × 117,326.72
  4. Step 4: Simplify right side
    212,816.61x = 34,457,589,509.75
  5. Step 5: Solve for x
    x = 34,457,589,509.75/212,816.61
  6. Step 6: Final answer
    x = 161,912.12

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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.