Home / 248,709.47-343,274.45-158,047.74

Finding the Fourth Proportional to 248,709.47, 343,274.45 and 158,047.74

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Solution

The fourth proportional to 248,709.47, 343,274.45 and 158,047.74 is: 218,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,709.47 : 343,274.45 = 158,047.74 : x
  2. Step 2: Convert to fraction form
    248,709.47/343,274.45 = 158,047.74/x
  3. Step 3: Cross multiply
    248,709.47x = 343,274.45 × 158,047.74
  4. Step 4: Simplify right side
    248,709.47x = 54,253,750,232.00
  5. Step 5: Solve for x
    x = 54,253,750,232.00/248,709.47
  6. Step 6: Final answer
    x = 218,141.08

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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.