Home / 136,941.70-205,281.33-57,947.26

Finding the Fourth Proportional to 136,941.70, 205,281.33 and 57,947.26

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Solution

The fourth proportional to 136,941.70, 205,281.33 and 57,947.26 is: 86,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,941.70 : 205,281.33 = 57,947.26 : x
  2. Step 2: Convert to fraction form
    136,941.70/205,281.33 = 57,947.26/x
  3. Step 3: Cross multiply
    136,941.70x = 205,281.33 × 57,947.26
  4. Step 4: Simplify right side
    136,941.70x = 11,895,490,602.66
  5. Step 5: Solve for x
    x = 11,895,490,602.66/136,941.70
  6. Step 6: Final answer
    x = 86,865.36

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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.