Home / 149,093.17-205,465.13-106,577.89

Finding the Fourth Proportional to 149,093.17, 205,465.13 and 106,577.89

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Solution

The fourth proportional to 149,093.17, 205,465.13 and 106,577.89 is: 146,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,093.17 : 205,465.13 = 106,577.89 : x
  2. Step 2: Convert to fraction form
    149,093.17/205,465.13 = 106,577.89/x
  3. Step 3: Cross multiply
    149,093.17x = 205,465.13 × 106,577.89
  4. Step 4: Simplify right side
    149,093.17x = 21,898,038,463.76
  5. Step 5: Solve for x
    x = 21,898,038,463.76/149,093.17
  6. Step 6: Final answer
    x = 146,874.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.