Home / 186,306.05-279,502.46-53,188.13

Finding the Fourth Proportional to 186,306.05, 279,502.46 and 53,188.13

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Solution

The fourth proportional to 186,306.05, 279,502.46 and 53,188.13 is: 79,794.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,306.05 : 279,502.46 = 53,188.13 : x
  2. Step 2: Convert to fraction form
    186,306.05/279,502.46 = 53,188.13/x
  3. Step 3: Cross multiply
    186,306.05x = 279,502.46 × 53,188.13
  4. Step 4: Simplify right side
    186,306.05x = 14,866,212,911.86
  5. Step 5: Solve for x
    x = 14,866,212,911.86/186,306.05
  6. Step 6: Final answer
    x = 79,794.58

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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.