Home / 185,631.10-256,169.37-100,748.14

Finding the Fourth Proportional to 185,631.10, 256,169.37 and 100,748.14

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Solution

The fourth proportional to 185,631.10, 256,169.37 and 100,748.14 is: 139,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,631.10 : 256,169.37 = 100,748.14 : x
  2. Step 2: Convert to fraction form
    185,631.10/256,169.37 = 100,748.14/x
  3. Step 3: Cross multiply
    185,631.10x = 256,169.37 × 100,748.14
  4. Step 4: Simplify right side
    185,631.10x = 25,808,587,552.47
  5. Step 5: Solve for x
    x = 25,808,587,552.47/185,631.10
  6. Step 6: Final answer
    x = 139,031.59

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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.