Home / 248,031.43-372,038.83-107,790.05

Finding the Fourth Proportional to 248,031.43, 372,038.83 and 107,790.05

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Solution

The fourth proportional to 248,031.43, 372,038.83 and 107,790.05 is: 161,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,031.43 : 372,038.83 = 107,790.05 : x
  2. Step 2: Convert to fraction form
    248,031.43/372,038.83 = 107,790.05/x
  3. Step 3: Cross multiply
    248,031.43x = 372,038.83 × 107,790.05
  4. Step 4: Simplify right side
    248,031.43x = 40,102,084,087.64
  5. Step 5: Solve for x
    x = 40,102,084,087.64/248,031.43
  6. Step 6: Final answer
    x = 161,681.46

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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.