Home / 177,851.54-266,777.77-72,670.51

Finding the Fourth Proportional to 177,851.54, 266,777.77 and 72,670.51

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Solution

The fourth proportional to 177,851.54, 266,777.77 and 72,670.51 is: 109,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,851.54 : 266,777.77 = 72,670.51 : x
  2. Step 2: Convert to fraction form
    177,851.54/266,777.77 = 72,670.51/x
  3. Step 3: Cross multiply
    177,851.54x = 266,777.77 × 72,670.51
  4. Step 4: Simplify right side
    177,851.54x = 19,386,875,753.94
  5. Step 5: Solve for x
    x = 19,386,875,753.94/177,851.54
  6. Step 6: Final answer
    x = 109,005.95

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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.