Home / 108,943.88-150,358.92-66,526.88

Finding the Fourth Proportional to 108,943.88, 150,358.92 and 66,526.88

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Solution

The fourth proportional to 108,943.88, 150,358.92 and 66,526.88 is: 91,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,943.88 : 150,358.92 = 66,526.88 : x
  2. Step 2: Convert to fraction form
    108,943.88/150,358.92 = 66,526.88/x
  3. Step 3: Cross multiply
    108,943.88x = 150,358.92 × 66,526.88
  4. Step 4: Simplify right side
    108,943.88x = 10,002,909,827.77
  5. Step 5: Solve for x
    x = 10,002,909,827.77/108,943.88
  6. Step 6: Final answer
    x = 91,817.09

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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.