Home / 185,079.36-255,410.10-100,196.76

Finding the Fourth Proportional to 185,079.36, 255,410.10 and 100,196.76

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Solution

The fourth proportional to 185,079.36, 255,410.10 and 100,196.76 is: 138,271.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,079.36 : 255,410.10 = 100,196.76 : x
  2. Step 2: Convert to fraction form
    185,079.36/255,410.10 = 100,196.76/x
  3. Step 3: Cross multiply
    185,079.36x = 255,410.10 × 100,196.76
  4. Step 4: Simplify right side
    185,079.36x = 25,591,264,491.28
  5. Step 5: Solve for x
    x = 25,591,264,491.28/185,079.36
  6. Step 6: Final answer
    x = 138,271.84

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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.