Home / 185,631.27-256,169.64-100,748.35

Finding the Fourth Proportional to 185,631.27, 256,169.64 and 100,748.35

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Solution

The fourth proportional to 185,631.27, 256,169.64 and 100,748.35 is: 139,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,631.27 : 256,169.64 = 100,748.35 : x
  2. Step 2: Convert to fraction form
    185,631.27/256,169.64 = 100,748.35/x
  3. Step 3: Cross multiply
    185,631.27x = 256,169.64 × 100,748.35
  4. Step 4: Simplify right side
    185,631.27x = 25,808,668,550.09
  5. Step 5: Solve for x
    x = 25,808,668,550.09/185,631.27
  6. Step 6: Final answer
    x = 139,031.90

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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.