Home / 192,527.20-288,596.40-87,421.60

Finding the Fourth Proportional to 192,527.20, 288,596.40 and 87,421.60

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Solution

The fourth proportional to 192,527.20, 288,596.40 and 87,421.60 is: 131,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,527.20 : 288,596.40 = 87,421.60 : x
  2. Step 2: Convert to fraction form
    192,527.20/288,596.40 = 87,421.60/x
  3. Step 3: Cross multiply
    192,527.20x = 288,596.40 × 87,421.60
  4. Step 4: Simplify right side
    192,527.20x = 25,229,559,042.24
  5. Step 5: Solve for x
    x = 25,229,559,042.24/192,527.20
  6. Step 6: Final answer
    x = 131,044.13

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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.