Home / 185,612.94-278,224.10-118,196.24

Finding the Fourth Proportional to 185,612.94, 278,224.10 and 118,196.24

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Solution

The fourth proportional to 185,612.94, 278,224.10 and 118,196.24 is: 177,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,612.94 : 278,224.10 = 118,196.24 : x
  2. Step 2: Convert to fraction form
    185,612.94/278,224.10 = 118,196.24/x
  3. Step 3: Cross multiply
    185,612.94x = 278,224.10 × 118,196.24
  4. Step 4: Simplify right side
    185,612.94x = 32,885,042,497.38
  5. Step 5: Solve for x
    x = 32,885,042,497.38/185,612.94
  6. Step 6: Final answer
    x = 177,169.99

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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.