Home / 107,426.90-161,143.05-28,541.00

Finding the Fourth Proportional to 107,426.90, 161,143.05 and 28,541.00

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Solution

The fourth proportional to 107,426.90, 161,143.05 and 28,541.00 is: 42,812.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,426.90 : 161,143.05 = 28,541.00 : x
  2. Step 2: Convert to fraction form
    107,426.90/161,143.05 = 28,541.00/x
  3. Step 3: Cross multiply
    107,426.90x = 161,143.05 × 28,541.00
  4. Step 4: Simplify right side
    107,426.90x = 4,599,182,984.33
  5. Step 5: Solve for x
    x = 4,599,182,984.33/107,426.90
  6. Step 6: Final answer
    x = 42,812.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.