Home / 297,039.17-445,551.39-86,678.93

Finding the Fourth Proportional to 297,039.17, 445,551.39 and 86,678.93

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Solution

The fourth proportional to 297,039.17, 445,551.39 and 86,678.93 is: 130,016.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,039.17 : 445,551.39 = 86,678.93 : x
  2. Step 2: Convert to fraction form
    297,039.17/445,551.39 = 86,678.93/x
  3. Step 3: Cross multiply
    297,039.17x = 445,551.39 × 86,678.93
  4. Step 4: Simplify right side
    297,039.17x = 38,619,915,517.46
  5. Step 5: Solve for x
    x = 38,619,915,517.46/297,039.17
  6. Step 6: Final answer
    x = 130,016.24

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1.5x scale

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.