Home / 195,828.60-293,742.90-185,719.80

Finding the Fourth Proportional to 195,828.60, 293,742.90 and 185,719.80

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Solution

The fourth proportional to 195,828.60, 293,742.90 and 185,719.80 is: 278,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,828.60 : 293,742.90 = 185,719.80 : x
  2. Step 2: Convert to fraction form
    195,828.60/293,742.90 = 185,719.80/x
  3. Step 3: Cross multiply
    195,828.60x = 293,742.90 × 185,719.80
  4. Step 4: Simplify right side
    195,828.60x = 54,553,872,639.42
  5. Step 5: Solve for x
    x = 54,553,872,639.42/195,828.60
  6. Step 6: Final answer
    x = 278,579.70

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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.