Home / 322,901.64-484,090.02-112,687.20

Finding the Fourth Proportional to 322,901.64, 484,090.02 and 112,687.20

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Solution

The fourth proportional to 322,901.64, 484,090.02 and 112,687.20 is: 168,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,901.64 : 484,090.02 = 112,687.20 : x
  2. Step 2: Convert to fraction form
    322,901.64/484,090.02 = 112,687.20/x
  3. Step 3: Cross multiply
    322,901.64x = 484,090.02 × 112,687.20
  4. Step 4: Simplify right side
    322,901.64x = 54,550,748,901.74
  5. Step 5: Solve for x
    x = 54,550,748,901.74/322,901.64
  6. Step 6: Final answer
    x = 168,939.21

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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.