Home / 245,566.69-338,777.21-140,735.12

Finding the Fourth Proportional to 245,566.69, 338,777.21 and 140,735.12

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Solution

The fourth proportional to 245,566.69, 338,777.21 and 140,735.12 is: 194,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,566.69 : 338,777.21 = 140,735.12 : x
  2. Step 2: Convert to fraction form
    245,566.69/338,777.21 = 140,735.12/x
  3. Step 3: Cross multiply
    245,566.69x = 338,777.21 × 140,735.12
  4. Step 4: Simplify right side
    245,566.69x = 47,677,849,960.57
  5. Step 5: Solve for x
    x = 47,677,849,960.57/245,566.69
  6. Step 6: Final answer
    x = 194,154.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.