Home / 103,998.91-143,506.16-58,674.25

Finding the Fourth Proportional to 103,998.91, 143,506.16 and 58,674.25

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Solution

The fourth proportional to 103,998.91, 143,506.16 and 58,674.25 is: 80,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,998.91 : 143,506.16 = 58,674.25 : x
  2. Step 2: Convert to fraction form
    103,998.91/143,506.16 = 58,674.25/x
  3. Step 3: Cross multiply
    103,998.91x = 143,506.16 × 58,674.25
  4. Step 4: Simplify right side
    103,998.91x = 8,420,115,845.79
  5. Step 5: Solve for x
    x = 8,420,115,845.79/103,998.91
  6. Step 6: Final answer
    x = 80,963.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.