Home / 199,411.06-299,051.89-66,255.57

Finding the Fourth Proportional to 199,411.06, 299,051.89 and 66,255.57

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Solution

The fourth proportional to 199,411.06, 299,051.89 and 66,255.57 is: 99,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,411.06 : 299,051.89 = 66,255.57 : x
  2. Step 2: Convert to fraction form
    199,411.06/299,051.89 = 66,255.57/x
  3. Step 3: Cross multiply
    199,411.06x = 299,051.89 × 66,255.57
  4. Step 4: Simplify right side
    199,411.06x = 19,813,853,431.53
  5. Step 5: Solve for x
    x = 19,813,853,431.53/199,411.06
  6. Step 6: Final answer
    x = 99,361.86

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1.5x scale

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.