Home / 181,810.68-272,731.56-55,479.33

Finding the Fourth Proportional to 181,810.68, 272,731.56 and 55,479.33

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Solution

The fourth proportional to 181,810.68, 272,731.56 and 55,479.33 is: 83,223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,810.68 : 272,731.56 = 55,479.33 : x
  2. Step 2: Convert to fraction form
    181,810.68/272,731.56 = 55,479.33/x
  3. Step 3: Cross multiply
    181,810.68x = 272,731.56 × 55,479.33
  4. Step 4: Simplify right side
    181,810.68x = 15,130,964,010.61
  5. Step 5: Solve for x
    x = 15,130,964,010.61/181,810.68
  6. Step 6: Final answer
    x = 83,223.74

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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.