Home / 295,639.24-407,981.46-161,504.20

Finding the Fourth Proportional to 295,639.24, 407,981.46 and 161,504.20

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Solution

The fourth proportional to 295,639.24, 407,981.46 and 161,504.20 is: 222,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,639.24 : 407,981.46 = 161,504.20 : x
  2. Step 2: Convert to fraction form
    295,639.24/407,981.46 = 161,504.20/x
  3. Step 3: Cross multiply
    295,639.24x = 407,981.46 × 161,504.20
  4. Step 4: Simplify right side
    295,639.24x = 65,890,719,312.13
  5. Step 5: Solve for x
    x = 65,890,719,312.13/295,639.24
  6. Step 6: Final answer
    x = 222,875.42

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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.