Home / 185,738.04-256,319.52-100,855.08

Finding the Fourth Proportional to 185,738.04, 256,319.52 and 100,855.08

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Solution

The fourth proportional to 185,738.04, 256,319.52 and 100,855.08 is: 139,180.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,738.04 : 256,319.52 = 100,855.08 : x
  2. Step 2: Convert to fraction form
    185,738.04/256,319.52 = 100,855.08/x
  3. Step 3: Cross multiply
    185,738.04x = 256,319.52 × 100,855.08
  4. Step 4: Simplify right side
    185,738.04x = 25,851,125,695.16
  5. Step 5: Solve for x
    x = 25,851,125,695.16/185,738.04
  6. Step 6: Final answer
    x = 139,180.57

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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.