Home / 106,540.46-147,021.22-58,141.16

Finding the Fourth Proportional to 106,540.46, 147,021.22 and 58,141.16

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Solution

The fourth proportional to 106,540.46, 147,021.22 and 58,141.16 is: 80,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,540.46 : 147,021.22 = 58,141.16 : x
  2. Step 2: Convert to fraction form
    106,540.46/147,021.22 = 58,141.16/x
  3. Step 3: Cross multiply
    106,540.46x = 147,021.22 × 58,141.16
  4. Step 4: Simplify right side
    106,540.46x = 8,547,984,275.42
  5. Step 5: Solve for x
    x = 8,547,984,275.42/106,540.46
  6. Step 6: Final answer
    x = 80,232.28

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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.