Home / 136,730.24-204,800.10-133,384.13

Finding the Fourth Proportional to 136,730.24, 204,800.10 and 133,384.13

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Solution

The fourth proportional to 136,730.24, 204,800.10 and 133,384.13 is: 199,788.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,730.24 : 204,800.10 = 133,384.13 : x
  2. Step 2: Convert to fraction form
    136,730.24/204,800.10 = 133,384.13/x
  3. Step 3: Cross multiply
    136,730.24x = 204,800.10 × 133,384.13
  4. Step 4: Simplify right side
    136,730.24x = 27,317,083,162.41
  5. Step 5: Solve for x
    x = 27,317,083,162.41/136,730.24
  6. Step 6: Final answer
    x = 199,788.16

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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.