Home / 181,557.40-272,627.70-137,234.20

Finding the Fourth Proportional to 181,557.40, 272,627.70 and 137,234.20

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Solution

The fourth proportional to 181,557.40, 272,627.70 and 137,234.20 is: 206,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,557.40 : 272,627.70 = 137,234.20 : x
  2. Step 2: Convert to fraction form
    181,557.40/272,627.70 = 137,234.20/x
  3. Step 3: Cross multiply
    181,557.40x = 272,627.70 × 137,234.20
  4. Step 4: Simplify right side
    181,557.40x = 37,413,844,307.34
  5. Step 5: Solve for x
    x = 37,413,844,307.34/181,557.40
  6. Step 6: Final answer
    x = 206,071.71

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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.