Home / 161,513.47-242,297.88-54,886.15

Finding the Fourth Proportional to 161,513.47, 242,297.88 and 54,886.15

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Solution

The fourth proportional to 161,513.47, 242,297.88 and 54,886.15 is: 82,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,513.47 : 242,297.88 = 54,886.15 : x
  2. Step 2: Convert to fraction form
    161,513.47/242,297.88 = 54,886.15/x
  3. Step 3: Cross multiply
    161,513.47x = 242,297.88 × 54,886.15
  4. Step 4: Simplify right side
    161,513.47x = 13,298,797,786.36
  5. Step 5: Solve for x
    x = 13,298,797,786.36/161,513.47
  6. Step 6: Final answer
    x = 82,338.63

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1.5x scale

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.