Home / 179,156.53-247,291.37-115,494.13

Finding the Fourth Proportional to 179,156.53, 247,291.37 and 115,494.13

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Solution

The fourth proportional to 179,156.53, 247,291.37 and 115,494.13 is: 159,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,156.53 : 247,291.37 = 115,494.13 : x
  2. Step 2: Convert to fraction form
    179,156.53/247,291.37 = 115,494.13/x
  3. Step 3: Cross multiply
    179,156.53x = 247,291.37 × 115,494.13
  4. Step 4: Simplify right side
    179,156.53x = 28,560,701,634.66
  5. Step 5: Solve for x
    x = 28,560,701,634.66/179,156.53
  6. Step 6: Final answer
    x = 159,417.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.