Home / 136,813.90-205,241.37-48,051.76

Finding the Fourth Proportional to 136,813.90, 205,241.37 and 48,051.76

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Solution

The fourth proportional to 136,813.90, 205,241.37 and 48,051.76 is: 72,084.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,813.90 : 205,241.37 = 48,051.76 : x
  2. Step 2: Convert to fraction form
    136,813.90/205,241.37 = 48,051.76/x
  3. Step 3: Cross multiply
    136,813.90x = 205,241.37 × 48,051.76
  4. Step 4: Simplify right side
    136,813.90x = 9,862,209,053.31
  5. Step 5: Solve for x
    x = 9,862,209,053.31/136,813.90
  6. Step 6: Final answer
    x = 72,084.85

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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.