Home / 199,622.10-299,433.15-187,812.30

Finding the Fourth Proportional to 199,622.10, 299,433.15 and 187,812.30

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Solution

The fourth proportional to 199,622.10, 299,433.15 and 187,812.30 is: 281,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,622.10 : 299,433.15 = 187,812.30 : x
  2. Step 2: Convert to fraction form
    199,622.10/299,433.15 = 187,812.30/x
  3. Step 3: Cross multiply
    199,622.10x = 299,433.15 × 187,812.30
  4. Step 4: Simplify right side
    199,622.10x = 56,237,228,597.75
  5. Step 5: Solve for x
    x = 56,237,228,597.75/199,622.10
  6. Step 6: Final answer
    x = 281,718.45

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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.