Home / 181,831.52-272,656.06-105,954.64

Finding the Fourth Proportional to 181,831.52, 272,656.06 and 105,954.64

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Solution

The fourth proportional to 181,831.52, 272,656.06 and 105,954.64 is: 158,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,831.52 : 272,656.06 = 105,954.64 : x
  2. Step 2: Convert to fraction form
    181,831.52/272,656.06 = 105,954.64/x
  3. Step 3: Cross multiply
    181,831.52x = 272,656.06 × 105,954.64
  4. Step 4: Simplify right side
    181,831.52x = 28,889,174,681.12
  5. Step 5: Solve for x
    x = 28,889,174,681.12/181,831.52
  6. Step 6: Final answer
    x = 158,878.81

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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.