Home / 181,696.90-272,590.78-178,683.22

Finding the Fourth Proportional to 181,696.90, 272,590.78 and 178,683.22

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Solution

The fourth proportional to 181,696.90, 272,590.78 and 178,683.22 is: 268,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,696.90 : 272,590.78 = 178,683.22 : x
  2. Step 2: Convert to fraction form
    181,696.90/272,590.78 = 178,683.22/x
  3. Step 3: Cross multiply
    181,696.90x = 272,590.78 × 178,683.22
  4. Step 4: Simplify right side
    181,696.90x = 48,707,398,312.71
  5. Step 5: Solve for x
    x = 48,707,398,312.71/181,696.90
  6. Step 6: Final answer
    x = 268,069.51

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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.