Home / 248,036.45-372,085.25-70,557.28

Finding the Fourth Proportional to 248,036.45, 372,085.25 and 70,557.28

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Solution

The fourth proportional to 248,036.45, 372,085.25 and 70,557.28 is: 105,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,036.45 : 372,085.25 = 70,557.28 : x
  2. Step 2: Convert to fraction form
    248,036.45/372,085.25 = 70,557.28/x
  3. Step 3: Cross multiply
    248,036.45x = 372,085.25 × 70,557.28
  4. Step 4: Simplify right side
    248,036.45x = 26,253,321,885.12
  5. Step 5: Solve for x
    x = 26,253,321,885.12/248,036.45
  6. Step 6: Final answer
    x = 105,844.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.