Home / 442,259.68-663,182.04-161,580.64

Finding the Fourth Proportional to 442,259.68, 663,182.04 and 161,580.64

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Solution

The fourth proportional to 442,259.68, 663,182.04 and 161,580.64 is: 242,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,259.68 : 663,182.04 = 161,580.64 : x
  2. Step 2: Convert to fraction form
    442,259.68/663,182.04 = 161,580.64/x
  3. Step 3: Cross multiply
    442,259.68x = 663,182.04 × 161,580.64
  4. Step 4: Simplify right side
    442,259.68x = 107,157,378,459.71
  5. Step 5: Solve for x
    x = 107,157,378,459.71/442,259.68
  6. Step 6: Final answer
    x = 242,295.16

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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.