Home / 185,079.02-255,409.13-100,196.08

Finding the Fourth Proportional to 185,079.02, 255,409.13 and 100,196.08

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Solution

The fourth proportional to 185,079.02, 255,409.13 and 100,196.08 is: 138,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,079.02 : 255,409.13 = 100,196.08 : x
  2. Step 2: Convert to fraction form
    185,079.02/255,409.13 = 100,196.08/x
  3. Step 3: Cross multiply
    185,079.02x = 255,409.13 × 100,196.08
  4. Step 4: Simplify right side
    185,079.02x = 25,590,993,622.21
  5. Step 5: Solve for x
    x = 25,590,993,622.21/185,079.02
  6. Step 6: Final answer
    x = 138,270.64

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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.