Home / 190,711.91-286,067.87-148,623.48

Finding the Fourth Proportional to 190,711.91, 286,067.87 and 148,623.48

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Solution

The fourth proportional to 190,711.91, 286,067.87 and 148,623.48 is: 222,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,711.91 : 286,067.87 = 148,623.48 : x
  2. Step 2: Convert to fraction form
    190,711.91/286,067.87 = 148,623.48/x
  3. Step 3: Cross multiply
    190,711.91x = 286,067.87 × 148,623.48
  4. Step 4: Simplify right side
    190,711.91x = 42,516,402,169.81
  5. Step 5: Solve for x
    x = 42,516,402,169.81/190,711.91
  6. Step 6: Final answer
    x = 222,935.22

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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.