Home / 185,680.69-256,242.45-100,797.75

Finding the Fourth Proportional to 185,680.69, 256,242.45 and 100,797.75

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Solution

The fourth proportional to 185,680.69, 256,242.45 and 100,797.75 is: 139,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,680.69 : 256,242.45 = 100,797.75 : x
  2. Step 2: Convert to fraction form
    185,680.69/256,242.45 = 100,797.75/x
  3. Step 3: Cross multiply
    185,680.69x = 256,242.45 × 100,797.75
  4. Step 4: Simplify right side
    185,680.69x = 25,828,662,792.48
  5. Step 5: Solve for x
    x = 25,828,662,792.48/185,680.69
  6. Step 6: Final answer
    x = 139,102.58

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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.