Home / 185,630.09-256,169.67-100,747.13

Finding the Fourth Proportional to 185,630.09, 256,169.67 and 100,747.13

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Solution

The fourth proportional to 185,630.09, 256,169.67 and 100,747.13 is: 139,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,630.09 : 256,169.67 = 100,747.13 : x
  2. Step 2: Convert to fraction form
    185,630.09/256,169.67 = 100,747.13/x
  3. Step 3: Cross multiply
    185,630.09x = 256,169.67 × 100,747.13
  4. Step 4: Simplify right side
    185,630.09x = 25,808,359,045.55
  5. Step 5: Solve for x
    x = 25,808,359,045.55/185,630.09
  6. Step 6: Final answer
    x = 139,031.12

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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.