Home / 186,904.80-280,400.13-53,786.16

Finding the Fourth Proportional to 186,904.80, 280,400.13 and 53,786.16

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Solution

The fourth proportional to 186,904.80, 280,400.13 and 53,786.16 is: 80,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,904.80 : 280,400.13 = 53,786.16 : x
  2. Step 2: Convert to fraction form
    186,904.80/280,400.13 = 53,786.16/x
  3. Step 3: Cross multiply
    186,904.80x = 280,400.13 × 53,786.16
  4. Step 4: Simplify right side
    186,904.80x = 15,081,646,256.20
  5. Step 5: Solve for x
    x = 15,081,646,256.20/186,904.80
  6. Step 6: Final answer
    x = 80,691.59

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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.