Home / 136,443.36-204,686.90-57,569.21

Finding the Fourth Proportional to 136,443.36, 204,686.90 and 57,569.21

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Solution

The fourth proportional to 136,443.36, 204,686.90 and 57,569.21 is: 86,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,443.36 : 204,686.90 = 57,569.21 : x
  2. Step 2: Convert to fraction form
    136,443.36/204,686.90 = 57,569.21/x
  3. Step 3: Cross multiply
    136,443.36x = 204,686.90 × 57,569.21
  4. Step 4: Simplify right side
    136,443.36x = 11,783,661,819.07
  5. Step 5: Solve for x
    x = 11,783,661,819.07/136,443.36
  6. Step 6: Final answer
    x = 86,363.03

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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.