Home / 188,867.10-283,300.65-105,750.30

Finding the Fourth Proportional to 188,867.10, 283,300.65 and 105,750.30

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Solution

The fourth proportional to 188,867.10, 283,300.65 and 105,750.30 is: 158,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,867.10 : 283,300.65 = 105,750.30 : x
  2. Step 2: Convert to fraction form
    188,867.10/283,300.65 = 105,750.30/x
  3. Step 3: Cross multiply
    188,867.10x = 283,300.65 × 105,750.30
  4. Step 4: Simplify right side
    188,867.10x = 29,959,128,727.70
  5. Step 5: Solve for x
    x = 29,959,128,727.70/188,867.10
  6. Step 6: Final answer
    x = 158,625.45

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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.