Home / 135,515.47-203,305.51-46,769.75

Finding the Fourth Proportional to 135,515.47, 203,305.51 and 46,769.75

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Solution

The fourth proportional to 135,515.47, 203,305.51 and 46,769.75 is: 70,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,515.47 : 203,305.51 = 46,769.75 : x
  2. Step 2: Convert to fraction form
    135,515.47/203,305.51 = 46,769.75/x
  3. Step 3: Cross multiply
    135,515.47x = 203,305.51 × 46,769.75
  4. Step 4: Simplify right side
    135,515.47x = 9,508,547,876.32
  5. Step 5: Solve for x
    x = 9,508,547,876.32/135,515.47
  6. Step 6: Final answer
    x = 70,165.77

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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.