Home / 149,528.65-206,381.57-85,901.53

Finding the Fourth Proportional to 149,528.65, 206,381.57 and 85,901.53

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Solution

The fourth proportional to 149,528.65, 206,381.57 and 85,901.53 is: 118,562.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,528.65 : 206,381.57 = 85,901.53 : x
  2. Step 2: Convert to fraction form
    149,528.65/206,381.57 = 85,901.53/x
  3. Step 3: Cross multiply
    149,528.65x = 206,381.57 × 85,901.53
  4. Step 4: Simplify right side
    149,528.65x = 17,728,492,626.80
  5. Step 5: Solve for x
    x = 17,728,492,626.80/149,528.65
  6. Step 6: Final answer
    x = 118,562.51

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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.