Home / 119,465.28-179,097.48-79,901.64

Finding the Fourth Proportional to 119,465.28, 179,097.48 and 79,901.64

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Solution

The fourth proportional to 119,465.28, 179,097.48 and 79,901.64 is: 119,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,465.28 : 179,097.48 = 79,901.64 : x
  2. Step 2: Convert to fraction form
    119,465.28/179,097.48 = 79,901.64/x
  3. Step 3: Cross multiply
    119,465.28x = 179,097.48 × 79,901.64
  4. Step 4: Simplify right side
    119,465.28x = 14,310,182,371.87
  5. Step 5: Solve for x
    x = 14,310,182,371.87/119,465.28
  6. Step 6: Final answer
    x = 119,785.28

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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.