Home / 136,629.70-204,973.35-57,703.30

Finding the Fourth Proportional to 136,629.70, 204,973.35 and 57,703.30

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Solution

The fourth proportional to 136,629.70, 204,973.35 and 57,703.30 is: 86,567.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,629.70 : 204,973.35 = 57,703.30 : x
  2. Step 2: Convert to fraction form
    136,629.70/204,973.35 = 57,703.30/x
  3. Step 3: Cross multiply
    136,629.70x = 204,973.35 × 57,703.30
  4. Step 4: Simplify right side
    136,629.70x = 11,827,638,707.06
  5. Step 5: Solve for x
    x = 11,827,638,707.06/136,629.70
  6. Step 6: Final answer
    x = 86,567.11

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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.