Home / 225,627.42-338,085.09-83,276.76

Finding the Fourth Proportional to 225,627.42, 338,085.09 and 83,276.76

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Solution

The fourth proportional to 225,627.42, 338,085.09 and 83,276.76 is: 124,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,627.42 : 338,085.09 = 83,276.76 : x
  2. Step 2: Convert to fraction form
    225,627.42/338,085.09 = 83,276.76/x
  3. Step 3: Cross multiply
    225,627.42x = 338,085.09 × 83,276.76
  4. Step 4: Simplify right side
    225,627.42x = 28,154,630,899.51
  5. Step 5: Solve for x
    x = 28,154,630,899.51/225,627.42
  6. Step 6: Final answer
    x = 124,783.73

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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.