Home / 195,206.96-292,880.68-76,812.72

Finding the Fourth Proportional to 195,206.96, 292,880.68 and 76,812.72

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Solution

The fourth proportional to 195,206.96, 292,880.68 and 76,812.72 is: 115,246.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,206.96 : 292,880.68 = 76,812.72 : x
  2. Step 2: Convert to fraction form
    195,206.96/292,880.68 = 76,812.72/x
  3. Step 3: Cross multiply
    195,206.96x = 292,880.68 × 76,812.72
  4. Step 4: Simplify right side
    195,206.96x = 22,496,961,666.25
  5. Step 5: Solve for x
    x = 22,496,961,666.25/195,206.96
  6. Step 6: Final answer
    x = 115,246.72

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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.