Home / 192,210.57-288,317.07-126,070.83

Finding the Fourth Proportional to 192,210.57, 288,317.07 and 126,070.83

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Solution

The fourth proportional to 192,210.57, 288,317.07 and 126,070.83 is: 189,107.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,210.57 : 288,317.07 = 126,070.83 : x
  2. Step 2: Convert to fraction form
    192,210.57/288,317.07 = 126,070.83/x
  3. Step 3: Cross multiply
    192,210.57x = 288,317.07 × 126,070.83
  4. Step 4: Simplify right side
    192,210.57x = 36,348,372,318.07
  5. Step 5: Solve for x
    x = 36,348,372,318.07/192,210.57
  6. Step 6: Final answer
    x = 189,107.04

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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.