Home / 161,749.24-223,210.96-88,162.30

Finding the Fourth Proportional to 161,749.24, 223,210.96 and 88,162.30

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Solution

The fourth proportional to 161,749.24, 223,210.96 and 88,162.30 is: 121,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,749.24 : 223,210.96 = 88,162.30 : x
  2. Step 2: Convert to fraction form
    161,749.24/223,210.96 = 88,162.30/x
  3. Step 3: Cross multiply
    161,749.24x = 223,210.96 × 88,162.30
  4. Step 4: Simplify right side
    161,749.24x = 19,678,791,956.43
  5. Step 5: Solve for x
    x = 19,678,791,956.43/161,749.24
  6. Step 6: Final answer
    x = 121,662.35

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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.