Home / 185,146.80-255,502.60-100,264.08

Finding the Fourth Proportional to 185,146.80, 255,502.60 and 100,264.08

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Solution

The fourth proportional to 185,146.80, 255,502.60 and 100,264.08 is: 138,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,146.80 : 255,502.60 = 100,264.08 : x
  2. Step 2: Convert to fraction form
    185,146.80/255,502.60 = 100,264.08/x
  3. Step 3: Cross multiply
    185,146.80x = 255,502.60 × 100,264.08
  4. Step 4: Simplify right side
    185,146.80x = 25,617,733,126.61
  5. Step 5: Solve for x
    x = 25,617,733,126.61/185,146.80
  6. Step 6: Final answer
    x = 138,364.44

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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.