Home / 219,122.03-302,382.27-123,637.61

Finding the Fourth Proportional to 219,122.03, 302,382.27 and 123,637.61

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Solution

The fourth proportional to 219,122.03, 302,382.27 and 123,637.61 is: 170,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,122.03 : 302,382.27 = 123,637.61 : x
  2. Step 2: Convert to fraction form
    219,122.03/302,382.27 = 123,637.61/x
  3. Step 3: Cross multiply
    219,122.03x = 302,382.27 × 123,637.61
  4. Step 4: Simplify right side
    219,122.03x = 37,385,821,925.13
  5. Step 5: Solve for x
    x = 37,385,821,925.13/219,122.03
  6. Step 6: Final answer
    x = 170,616.44

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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.