Home / 296,485.38-409,153.11-160,522.28

Finding the Fourth Proportional to 296,485.38, 409,153.11 and 160,522.28

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Solution

The fourth proportional to 296,485.38, 409,153.11 and 160,522.28 is: 221,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,485.38 : 409,153.11 = 160,522.28 : x
  2. Step 2: Convert to fraction form
    296,485.38/409,153.11 = 160,522.28/x
  3. Step 3: Cross multiply
    296,485.38x = 409,153.11 × 160,522.28
  4. Step 4: Simplify right side
    296,485.38x = 65,678,190,086.29
  5. Step 5: Solve for x
    x = 65,678,190,086.29/296,485.38
  6. Step 6: Final answer
    x = 221,522.53

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1.5x scale

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.