Home / 202,831.77-279,905.43-112,180.62

Finding the Fourth Proportional to 202,831.77, 279,905.43 and 112,180.62

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Solution

The fourth proportional to 202,831.77, 279,905.43 and 112,180.62 is: 154,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,831.77 : 279,905.43 = 112,180.62 : x
  2. Step 2: Convert to fraction form
    202,831.77/279,905.43 = 112,180.62/x
  3. Step 3: Cross multiply
    202,831.77x = 279,905.43 × 112,180.62
  4. Step 4: Simplify right side
    202,831.77x = 31,399,964,678.77
  5. Step 5: Solve for x
    x = 31,399,964,678.77/202,831.77
  6. Step 6: Final answer
    x = 154,807.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.