Home / 174,264.39-261,291.15-78,184.01

Finding the Fourth Proportional to 174,264.39, 261,291.15 and 78,184.01

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Solution

The fourth proportional to 174,264.39, 261,291.15 and 78,184.01 is: 117,228.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,264.39 : 261,291.15 = 78,184.01 : x
  2. Step 2: Convert to fraction form
    174,264.39/261,291.15 = 78,184.01/x
  3. Step 3: Cross multiply
    174,264.39x = 261,291.15 × 78,184.01
  4. Step 4: Simplify right side
    174,264.39x = 20,428,789,884.51
  5. Step 5: Solve for x
    x = 20,428,789,884.51/174,264.39
  6. Step 6: Final answer
    x = 117,228.71

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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.