Home / 161,604.72-223,018.11-89,991.41

Finding the Fourth Proportional to 161,604.72, 223,018.11 and 89,991.41

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Solution

The fourth proportional to 161,604.72, 223,018.11 and 89,991.41 is: 124,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,604.72 : 223,018.11 = 89,991.41 : x
  2. Step 2: Convert to fraction form
    161,604.72/223,018.11 = 89,991.41/x
  3. Step 3: Cross multiply
    161,604.72x = 223,018.11 × 89,991.41
  4. Step 4: Simplify right side
    161,604.72x = 20,069,713,059.34
  5. Step 5: Solve for x
    x = 20,069,713,059.34/161,604.72
  6. Step 6: Final answer
    x = 124,190.14

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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.