Home / 296,688.45-409,429.69-160,722.96

Finding the Fourth Proportional to 296,688.45, 409,429.69 and 160,722.96

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Solution

The fourth proportional to 296,688.45, 409,429.69 and 160,722.96 is: 221,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,688.45 : 409,429.69 = 160,722.96 : x
  2. Step 2: Convert to fraction form
    296,688.45/409,429.69 = 160,722.96/x
  3. Step 3: Cross multiply
    296,688.45x = 409,429.69 × 160,722.96
  4. Step 4: Simplify right side
    296,688.45x = 65,804,751,688.68
  5. Step 5: Solve for x
    x = 65,804,751,688.68/296,688.45
  6. Step 6: Final answer
    x = 221,797.48

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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.