Home / 185,630.03-256,169.63-100,747.07

Finding the Fourth Proportional to 185,630.03, 256,169.63 and 100,747.07

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Solution

The fourth proportional to 185,630.03, 256,169.63 and 100,747.07 is: 139,031.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,630.03 : 256,169.63 = 100,747.07 : x
  2. Step 2: Convert to fraction form
    185,630.03/256,169.63 = 100,747.07/x
  3. Step 3: Cross multiply
    185,630.03x = 256,169.63 × 100,747.07
  4. Step 4: Simplify right side
    185,630.03x = 25,808,339,645.48
  5. Step 5: Solve for x
    x = 25,808,339,645.48/185,630.03
  6. Step 6: Final answer
    x = 139,031.06

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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.