Home / 230,717.19-346,073.64-72,945.66

Finding the Fourth Proportional to 230,717.19, 346,073.64 and 72,945.66

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Solution

The fourth proportional to 230,717.19, 346,073.64 and 72,945.66 is: 109,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,717.19 : 346,073.64 = 72,945.66 : x
  2. Step 2: Convert to fraction form
    230,717.19/346,073.64 = 72,945.66/x
  3. Step 3: Cross multiply
    230,717.19x = 346,073.64 × 72,945.66
  4. Step 4: Simplify right side
    230,717.19x = 25,244,570,078.40
  5. Step 5: Solve for x
    x = 25,244,570,078.40/230,717.19
  6. Step 6: Final answer
    x = 109,417.81

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1.5x scale

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.