Home / 165,111.27-247,698.68-70,339.68

Finding the Fourth Proportional to 165,111.27, 247,698.68 and 70,339.68

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Solution

The fourth proportional to 165,111.27, 247,698.68 and 70,339.68 is: 105,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,111.27 : 247,698.68 = 70,339.68 : x
  2. Step 2: Convert to fraction form
    165,111.27/247,698.68 = 70,339.68/x
  3. Step 3: Cross multiply
    165,111.27x = 247,698.68 × 70,339.68
  4. Step 4: Simplify right side
    165,111.27x = 17,423,045,535.92
  5. Step 5: Solve for x
    x = 17,423,045,535.92/165,111.27
  6. Step 6: Final answer
    x = 105,523.05

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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.