Home / 185,287.19-255,696.45-100,404.25

Finding the Fourth Proportional to 185,287.19, 255,696.45 and 100,404.25

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Solution

The fourth proportional to 185,287.19, 255,696.45 and 100,404.25 is: 138,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,287.19 : 255,696.45 = 100,404.25 : x
  2. Step 2: Convert to fraction form
    185,287.19/255,696.45 = 100,404.25/x
  3. Step 3: Cross multiply
    185,287.19x = 255,696.45 × 100,404.25
  4. Step 4: Simplify right side
    185,287.19x = 25,673,009,274.16
  5. Step 5: Solve for x
    x = 25,673,009,274.16/185,287.19
  6. Step 6: Final answer
    x = 138,557.93

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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.