Home / 181,709.40-272,175.30-162,010.20

Finding the Fourth Proportional to 181,709.40, 272,175.30 and 162,010.20

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Solution

The fourth proportional to 181,709.40, 272,175.30 and 162,010.20 is: 242,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,709.40 : 272,175.30 = 162,010.20 : x
  2. Step 2: Convert to fraction form
    181,709.40/272,175.30 = 162,010.20/x
  3. Step 3: Cross multiply
    181,709.40x = 272,175.30 × 162,010.20
  4. Step 4: Simplify right side
    181,709.40x = 44,095,174,788.06
  5. Step 5: Solve for x
    x = 44,095,174,788.06/181,709.40
  6. Step 6: Final answer
    x = 242,668.65

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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.