Home / 119,763.24-179,646.57-57,419.16

Finding the Fourth Proportional to 119,763.24, 179,646.57 and 57,419.16

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Solution

The fourth proportional to 119,763.24, 179,646.57 and 57,419.16 is: 86,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,763.24 : 179,646.57 = 57,419.16 : x
  2. Step 2: Convert to fraction form
    119,763.24/179,646.57 = 57,419.16/x
  3. Step 3: Cross multiply
    119,763.24x = 179,646.57 × 57,419.16
  4. Step 4: Simplify right side
    119,763.24x = 10,315,155,146.28
  5. Step 5: Solve for x
    x = 10,315,155,146.28/119,763.24
  6. Step 6: Final answer
    x = 86,129.56

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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.