Home / 296,621.58-409,335.69-160,652.40

Finding the Fourth Proportional to 296,621.58, 409,335.69 and 160,652.40

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Solution

The fourth proportional to 296,621.58, 409,335.69 and 160,652.40 is: 221,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,621.58 : 409,335.69 = 160,652.40 : x
  2. Step 2: Convert to fraction form
    296,621.58/409,335.69 = 160,652.40/x
  3. Step 3: Cross multiply
    296,621.58x = 409,335.69 × 160,652.40
  4. Step 4: Simplify right side
    296,621.58x = 65,760,761,004.16
  5. Step 5: Solve for x
    x = 65,760,761,004.16/296,621.58
  6. Step 6: Final answer
    x = 221,699.18

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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.