Home / 442,053.60-663,080.40-109,629.60

Finding the Fourth Proportional to 442,053.60, 663,080.40 and 109,629.60

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Solution

The fourth proportional to 442,053.60, 663,080.40 and 109,629.60 is: 164,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,053.60 : 663,080.40 = 109,629.60 : x
  2. Step 2: Convert to fraction form
    442,053.60/663,080.40 = 109,629.60/x
  3. Step 3: Cross multiply
    442,053.60x = 663,080.40 × 109,629.60
  4. Step 4: Simplify right side
    442,053.60x = 72,693,239,019.84
  5. Step 5: Solve for x
    x = 72,693,239,019.84/442,053.60
  6. Step 6: Final answer
    x = 164,444.40

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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.