Home / 185,016.02-255,322.86-100,133.06

Finding the Fourth Proportional to 185,016.02, 255,322.86 and 100,133.06

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Solution

The fourth proportional to 185,016.02, 255,322.86 and 100,133.06 is: 138,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,016.02 : 255,322.86 = 100,133.06 : x
  2. Step 2: Convert to fraction form
    185,016.02/255,322.86 = 100,133.06/x
  3. Step 3: Cross multiply
    185,016.02x = 255,322.86 × 100,133.06
  4. Step 4: Simplify right side
    185,016.02x = 25,566,259,259.75
  5. Step 5: Solve for x
    x = 25,566,259,259.75/185,016.02
  6. Step 6: Final answer
    x = 138,184.03

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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.