Home / 143,962.67-198,604.08-83,498.19

Finding the Fourth Proportional to 143,962.67, 198,604.08 and 83,498.19

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Solution

The fourth proportional to 143,962.67, 198,604.08 and 83,498.19 is: 115,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,962.67 : 198,604.08 = 83,498.19 : x
  2. Step 2: Convert to fraction form
    143,962.67/198,604.08 = 83,498.19/x
  3. Step 3: Cross multiply
    143,962.67x = 198,604.08 × 83,498.19
  4. Step 4: Simplify right side
    143,962.67x = 16,583,081,206.62
  5. Step 5: Solve for x
    x = 16,583,081,206.62/143,962.67
  6. Step 6: Final answer
    x = 115,190.15

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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.