Home / 192,365.12-288,456.86-112,426.02

Finding the Fourth Proportional to 192,365.12, 288,456.86 and 112,426.02

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Solution

The fourth proportional to 192,365.12, 288,456.86 and 112,426.02 is: 168,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,365.12 : 288,456.86 = 112,426.02 : x
  2. Step 2: Convert to fraction form
    192,365.12/288,456.86 = 112,426.02/x
  3. Step 3: Cross multiply
    192,365.12x = 288,456.86 × 112,426.02
  4. Step 4: Simplify right side
    192,365.12x = 32,430,056,711.50
  5. Step 5: Solve for x
    x = 32,430,056,711.50/192,365.12
  6. Step 6: Final answer
    x = 168,585.95

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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.