Home / 282,951.33-390,275.11-192,149.67

Finding the Fourth Proportional to 282,951.33, 390,275.11 and 192,149.67

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Solution

The fourth proportional to 282,951.33, 390,275.11 and 192,149.67 is: 265,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,951.33 : 390,275.11 = 192,149.67 : x
  2. Step 2: Convert to fraction form
    282,951.33/390,275.11 = 192,149.67/x
  3. Step 3: Cross multiply
    282,951.33x = 390,275.11 × 192,149.67
  4. Step 4: Simplify right side
    282,951.33x = 74,991,233,104.14
  5. Step 5: Solve for x
    x = 74,991,233,104.14/282,951.33
  6. Step 6: Final answer
    x = 265,032.27

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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.