Home / 136,368.72-204,641.10-57,483.36

Finding the Fourth Proportional to 136,368.72, 204,641.10 and 57,483.36

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Solution

The fourth proportional to 136,368.72, 204,641.10 and 57,483.36 is: 86,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,368.72 : 204,641.10 = 57,483.36 : x
  2. Step 2: Convert to fraction form
    136,368.72/204,641.10 = 57,483.36/x
  3. Step 3: Cross multiply
    136,368.72x = 204,641.10 × 57,483.36
  4. Step 4: Simplify right side
    136,368.72x = 11,763,458,022.10
  5. Step 5: Solve for x
    x = 11,763,458,022.10/136,368.72
  6. Step 6: Final answer
    x = 86,262.14

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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.