Home / 161,614.28-223,025.55-89,015.76

Finding the Fourth Proportional to 161,614.28, 223,025.55 and 89,015.76

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Solution

The fourth proportional to 161,614.28, 223,025.55 and 89,015.76 is: 122,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,614.28 : 223,025.55 = 89,015.76 : x
  2. Step 2: Convert to fraction form
    161,614.28/223,025.55 = 89,015.76/x
  3. Step 3: Cross multiply
    161,614.28x = 223,025.55 × 89,015.76
  4. Step 4: Simplify right side
    161,614.28x = 19,852,788,832.67
  5. Step 5: Solve for x
    x = 19,852,788,832.67/161,614.28
  6. Step 6: Final answer
    x = 122,840.56

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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.