Home / 185,351.28-255,784.88-100,468.34

Finding the Fourth Proportional to 185,351.28, 255,784.88 and 100,468.34

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Solution

The fourth proportional to 185,351.28, 255,784.88 and 100,468.34 is: 138,646.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,351.28 : 255,784.88 = 100,468.34 : x
  2. Step 2: Convert to fraction form
    185,351.28/255,784.88 = 100,468.34/x
  3. Step 3: Cross multiply
    185,351.28x = 255,784.88 × 100,468.34
  4. Step 4: Simplify right side
    185,351.28x = 25,698,282,290.70
  5. Step 5: Solve for x
    x = 25,698,282,290.70/185,351.28
  6. Step 6: Final answer
    x = 138,646.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.