Home / 212,731.41-293,576.80-115,943.34

Finding the Fourth Proportional to 212,731.41, 293,576.80 and 115,943.34

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Solution

The fourth proportional to 212,731.41, 293,576.80 and 115,943.34 is: 160,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,731.41 : 293,576.80 = 115,943.34 : x
  2. Step 2: Convert to fraction form
    212,731.41/293,576.80 = 115,943.34/x
  3. Step 3: Cross multiply
    212,731.41x = 293,576.80 × 115,943.34
  4. Step 4: Simplify right side
    212,731.41x = 34,038,273,340.21
  5. Step 5: Solve for x
    x = 34,038,273,340.21/212,731.41
  6. Step 6: Final answer
    x = 160,005.86

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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.