Home / 201,586.02-302,317.53-68,436.69

Finding the Fourth Proportional to 201,586.02, 302,317.53 and 68,436.69

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Solution

The fourth proportional to 201,586.02, 302,317.53 and 68,436.69 is: 102,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,586.02 : 302,317.53 = 68,436.69 : x
  2. Step 2: Convert to fraction form
    201,586.02/302,317.53 = 68,436.69/x
  3. Step 3: Cross multiply
    201,586.02x = 302,317.53 × 68,436.69
  4. Step 4: Simplify right side
    201,586.02x = 20,689,611,082.18
  5. Step 5: Solve for x
    x = 20,689,611,082.18/201,586.02
  6. Step 6: Final answer
    x = 102,634.16

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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.