Home / 165,615.30-248,436.45-70,846.20

Finding the Fourth Proportional to 165,615.30, 248,436.45 and 70,846.20

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Solution

The fourth proportional to 165,615.30, 248,436.45 and 70,846.20 is: 106,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,615.30 : 248,436.45 = 70,846.20 : x
  2. Step 2: Convert to fraction form
    165,615.30/248,436.45 = 70,846.20/x
  3. Step 3: Cross multiply
    165,615.30x = 248,436.45 × 70,846.20
  4. Step 4: Simplify right side
    165,615.30x = 17,600,778,423.99
  5. Step 5: Solve for x
    x = 17,600,778,423.99/165,615.30
  6. Step 6: Final answer
    x = 106,275.07

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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.