Home / 165,271.71-247,907.61-45,329.91

Finding the Fourth Proportional to 165,271.71, 247,907.61 and 45,329.91

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Solution

The fourth proportional to 165,271.71, 247,907.61 and 45,329.91 is: 67,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,271.71 : 247,907.61 = 45,329.91 : x
  2. Step 2: Convert to fraction form
    165,271.71/247,907.61 = 45,329.91/x
  3. Step 3: Cross multiply
    165,271.71x = 247,907.61 × 45,329.91
  4. Step 4: Simplify right side
    165,271.71x = 11,237,628,410.08
  5. Step 5: Solve for x
    x = 11,237,628,410.08/165,271.71
  6. Step 6: Final answer
    x = 67,994.87

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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.