Home / 179,581.81-269,374.07-79,715.16

Finding the Fourth Proportional to 179,581.81, 269,374.07 and 79,715.16

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Solution

The fourth proportional to 179,581.81, 269,374.07 and 79,715.16 is: 119,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,581.81 : 269,374.07 = 79,715.16 : x
  2. Step 2: Convert to fraction form
    179,581.81/269,374.07 = 79,715.16/x
  3. Step 3: Cross multiply
    179,581.81x = 269,374.07 × 79,715.16
  4. Step 4: Simplify right side
    179,581.81x = 21,473,196,416.47
  5. Step 5: Solve for x
    x = 21,473,196,416.47/179,581.81
  6. Step 6: Final answer
    x = 119,573.34

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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.