Home / 133,338.24-199,977.71-38,547.72

Finding the Fourth Proportional to 133,338.24, 199,977.71 and 38,547.72

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Solution

The fourth proportional to 133,338.24, 199,977.71 and 38,547.72 is: 57,813.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,338.24 : 199,977.71 = 38,547.72 : x
  2. Step 2: Convert to fraction form
    133,338.24/199,977.71 = 38,547.72/x
  3. Step 3: Cross multiply
    133,338.24x = 199,977.71 × 38,547.72
  4. Step 4: Simplify right side
    133,338.24x = 7,708,684,578.58
  5. Step 5: Solve for x
    x = 7,708,684,578.58/133,338.24
  6. Step 6: Final answer
    x = 57,813.01

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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.