Home / 185,667.49-256,220.92-100,784.55

Finding the Fourth Proportional to 185,667.49, 256,220.92 and 100,784.55

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Solution

The fourth proportional to 185,667.49, 256,220.92 and 100,784.55 is: 139,082.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,667.49 : 256,220.92 = 100,784.55 : x
  2. Step 2: Convert to fraction form
    185,667.49/256,220.92 = 100,784.55/x
  3. Step 3: Cross multiply
    185,667.49x = 256,220.92 × 100,784.55
  4. Step 4: Simplify right side
    185,667.49x = 25,823,110,122.79
  5. Step 5: Solve for x
    x = 25,823,110,122.79/185,667.49
  6. Step 6: Final answer
    x = 139,082.56

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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.