Home / 149,006.18-205,628.12-83,595.14

Finding the Fourth Proportional to 149,006.18, 205,628.12 and 83,595.14

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Solution

The fourth proportional to 149,006.18, 205,628.12 and 83,595.14 is: 115,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,006.18 : 205,628.12 = 83,595.14 : x
  2. Step 2: Convert to fraction form
    149,006.18/205,628.12 = 83,595.14/x
  3. Step 3: Cross multiply
    149,006.18x = 205,628.12 × 83,595.14
  4. Step 4: Simplify right side
    149,006.18x = 17,189,511,117.81
  5. Step 5: Solve for x
    x = 17,189,511,117.81/149,006.18
  6. Step 6: Final answer
    x = 115,361.06

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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.