Home / 165,332.92-248,031.30-70,561.72

Finding the Fourth Proportional to 165,332.92, 248,031.30 and 70,561.72

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Solution

The fourth proportional to 165,332.92, 248,031.30 and 70,561.72 is: 105,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,332.92 : 248,031.30 = 70,561.72 : x
  2. Step 2: Convert to fraction form
    165,332.92/248,031.30 = 70,561.72/x
  3. Step 3: Cross multiply
    165,332.92x = 248,031.30 × 70,561.72
  4. Step 4: Simplify right side
    165,332.92x = 17,501,515,141.84
  5. Step 5: Solve for x
    x = 17,501,515,141.84/165,332.92
  6. Step 6: Final answer
    x = 105,856.20

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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.