Home / 149,973.73-206,966.27-89,549.69

Finding the Fourth Proportional to 149,973.73, 206,966.27 and 89,549.69

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Solution

The fourth proportional to 149,973.73, 206,966.27 and 89,549.69 is: 123,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,973.73 : 206,966.27 = 89,549.69 : x
  2. Step 2: Convert to fraction form
    149,973.73/206,966.27 = 89,549.69/x
  3. Step 3: Cross multiply
    149,973.73x = 206,966.27 × 89,549.69
  4. Step 4: Simplify right side
    149,973.73x = 18,533,764,508.00
  5. Step 5: Solve for x
    x = 18,533,764,508.00/149,973.73
  6. Step 6: Final answer
    x = 123,580.08

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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.