Home / 181,320.08-271,749.80-102,478.64

Finding the Fourth Proportional to 181,320.08, 271,749.80 and 102,478.64

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Solution

The fourth proportional to 181,320.08, 271,749.80 and 102,478.64 is: 153,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,320.08 : 271,749.80 = 102,478.64 : x
  2. Step 2: Convert to fraction form
    181,320.08/271,749.80 = 102,478.64/x
  3. Step 3: Cross multiply
    181,320.08x = 271,749.80 × 102,478.64
  4. Step 4: Simplify right side
    181,320.08x = 27,848,549,924.27
  5. Step 5: Solve for x
    x = 27,848,549,924.27/181,320.08
  6. Step 6: Final answer
    x = 153,587.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.