Home / 454,424.19-681,636.30-122,000.19

Finding the Fourth Proportional to 454,424.19, 681,636.30 and 122,000.19

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Solution

The fourth proportional to 454,424.19, 681,636.30 and 122,000.19 is: 183,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,424.19 : 681,636.30 = 122,000.19 : x
  2. Step 2: Convert to fraction form
    454,424.19/681,636.30 = 122,000.19/x
  3. Step 3: Cross multiply
    454,424.19x = 681,636.30 × 122,000.19
  4. Step 4: Simplify right side
    454,424.19x = 83,159,758,110.90
  5. Step 5: Solve for x
    x = 83,159,758,110.90/454,424.19
  6. Step 6: Final answer
    x = 183,000.29

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Similar ratio
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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.