Home / 219,229.38-328,718.47-67,386.92

Finding the Fourth Proportional to 219,229.38, 328,718.47 and 67,386.92

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Solution

The fourth proportional to 219,229.38, 328,718.47 and 67,386.92 is: 101,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,229.38 : 328,718.47 = 67,386.92 : x
  2. Step 2: Convert to fraction form
    219,229.38/328,718.47 = 67,386.92/x
  3. Step 3: Cross multiply
    219,229.38x = 328,718.47 × 67,386.92
  4. Step 4: Simplify right side
    219,229.38x = 22,151,325,240.41
  5. Step 5: Solve for x
    x = 22,151,325,240.41/219,229.38
  6. Step 6: Final answer
    x = 101,041.77

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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.