Home / 185,630.27-256,168.26-100,747.35

Finding the Fourth Proportional to 185,630.27, 256,168.26 and 100,747.35

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Solution

The fourth proportional to 185,630.27, 256,168.26 and 100,747.35 is: 139,030.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,630.27 : 256,168.26 = 100,747.35 : x
  2. Step 2: Convert to fraction form
    185,630.27/256,168.26 = 100,747.35/x
  3. Step 3: Cross multiply
    185,630.27x = 256,168.26 × 100,747.35
  4. Step 4: Simplify right side
    185,630.27x = 25,808,273,349.11
  5. Step 5: Solve for x
    x = 25,808,273,349.11/185,630.27
  6. Step 6: Final answer
    x = 139,030.53

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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.