Home / 179,501.66-269,302.38-78,308.56

Finding the Fourth Proportional to 179,501.66, 269,302.38 and 78,308.56

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Solution

The fourth proportional to 179,501.66, 269,302.38 and 78,308.56 is: 117,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,501.66 : 269,302.38 = 78,308.56 : x
  2. Step 2: Convert to fraction form
    179,501.66/269,302.38 = 78,308.56/x
  3. Step 3: Cross multiply
    179,501.66x = 269,302.38 × 78,308.56
  4. Step 4: Simplify right side
    179,501.66x = 21,088,681,582.37
  5. Step 5: Solve for x
    x = 21,088,681,582.37/179,501.66
  6. Step 6: Final answer
    x = 117,484.60

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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.