Home / 192,530.12-288,823.73-66,202.92

Finding the Fourth Proportional to 192,530.12, 288,823.73 and 66,202.92

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Solution

The fourth proportional to 192,530.12, 288,823.73 and 66,202.92 is: 99,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,530.12 : 288,823.73 = 66,202.92 : x
  2. Step 2: Convert to fraction form
    192,530.12/288,823.73 = 66,202.92/x
  3. Step 3: Cross multiply
    192,530.12x = 288,823.73 × 66,202.92
  4. Step 4: Simplify right side
    192,530.12x = 19,120,973,960.28
  5. Step 5: Solve for x
    x = 19,120,973,960.28/192,530.12
  6. Step 6: Final answer
    x = 99,314.20

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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.