Home / 192,421.35-288,604.85-66,059.37

Finding the Fourth Proportional to 192,421.35, 288,604.85 and 66,059.37

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Solution

The fourth proportional to 192,421.35, 288,604.85 and 66,059.37 is: 99,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,421.35 : 288,604.85 = 66,059.37 : x
  2. Step 2: Convert to fraction form
    192,421.35/288,604.85 = 66,059.37/x
  3. Step 3: Cross multiply
    192,421.35x = 288,604.85 × 66,059.37
  4. Step 4: Simplify right side
    192,421.35x = 19,065,054,239.65
  5. Step 5: Solve for x
    x = 19,065,054,239.65/192,421.35
  6. Step 6: Final answer
    x = 99,079.72

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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.