Home / 185,068.07-255,394.75-100,185.13

Finding the Fourth Proportional to 185,068.07, 255,394.75 and 100,185.13

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Solution

The fourth proportional to 185,068.07, 255,394.75 and 100,185.13 is: 138,255.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,068.07 : 255,394.75 = 100,185.13 : x
  2. Step 2: Convert to fraction form
    185,068.07/255,394.75 = 100,185.13/x
  3. Step 3: Cross multiply
    185,068.07x = 255,394.75 × 100,185.13
  4. Step 4: Simplify right side
    185,068.07x = 25,586,756,230.07
  5. Step 5: Solve for x
    x = 25,586,756,230.07/185,068.07
  6. Step 6: Final answer
    x = 138,255.92

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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.