Home / 163,867.35-245,699.27-69,048.75

Finding the Fourth Proportional to 163,867.35, 245,699.27 and 69,048.75

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Solution

The fourth proportional to 163,867.35, 245,699.27 and 69,048.75 is: 103,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,867.35 : 245,699.27 = 69,048.75 : x
  2. Step 2: Convert to fraction form
    163,867.35/245,699.27 = 69,048.75/x
  3. Step 3: Cross multiply
    163,867.35x = 245,699.27 × 69,048.75
  4. Step 4: Simplify right side
    163,867.35x = 16,965,228,692.87
  5. Step 5: Solve for x
    x = 16,965,228,692.87/163,867.35
  6. Step 6: Final answer
    x = 103,530.25

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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.