Home / 184,995.81-255,295.02-100,112.88

Finding the Fourth Proportional to 184,995.81, 255,295.02 and 100,112.88

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Solution

The fourth proportional to 184,995.81, 255,295.02 and 100,112.88 is: 138,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,995.81 : 255,295.02 = 100,112.88 : x
  2. Step 2: Convert to fraction form
    184,995.81/255,295.02 = 100,112.88/x
  3. Step 3: Cross multiply
    184,995.81x = 255,295.02 × 100,112.88
  4. Step 4: Simplify right side
    184,995.81x = 25,558,319,701.86
  5. Step 5: Solve for x
    x = 25,558,319,701.86/184,995.81
  6. Step 6: Final answer
    x = 138,156.21

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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.