Home / 181,519.40-272,570.70-137,196.20

Finding the Fourth Proportional to 181,519.40, 272,570.70 and 137,196.20

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Solution

The fourth proportional to 181,519.40, 272,570.70 and 137,196.20 is: 206,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,519.40 : 272,570.70 = 137,196.20 : x
  2. Step 2: Convert to fraction form
    181,519.40/272,570.70 = 137,196.20/x
  3. Step 3: Cross multiply
    181,519.40x = 272,570.70 × 137,196.20
  4. Step 4: Simplify right side
    181,519.40x = 37,395,664,271.34
  5. Step 5: Solve for x
    x = 37,395,664,271.34/181,519.40
  6. Step 6: Final answer
    x = 206,014.70

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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.