Home / 317,767.46-476,667.59-81,112.19

Finding the Fourth Proportional to 317,767.46, 476,667.59 and 81,112.19

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Solution

The fourth proportional to 317,767.46, 476,667.59 and 81,112.19 is: 121,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,767.46 : 476,667.59 = 81,112.19 : x
  2. Step 2: Convert to fraction form
    317,767.46/476,667.59 = 81,112.19/x
  3. Step 3: Cross multiply
    317,767.46x = 476,667.59 × 81,112.19
  4. Step 4: Simplify right side
    317,767.46x = 38,663,551,721.36
  5. Step 5: Solve for x
    x = 38,663,551,721.36/317,767.46
  6. Step 6: Final answer
    x = 121,672.47

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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.