Home / 518,154.22-777,259.14-163,196.02

Finding the Fourth Proportional to 518,154.22, 777,259.14 and 163,196.02

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Solution

The fourth proportional to 518,154.22, 777,259.14 and 163,196.02 is: 244,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,154.22 : 777,259.14 = 163,196.02 : x
  2. Step 2: Convert to fraction form
    518,154.22/777,259.14 = 163,196.02/x
  3. Step 3: Cross multiply
    518,154.22x = 777,259.14 × 163,196.02
  4. Step 4: Simplify right side
    518,154.22x = 126,845,598,156.62
  5. Step 5: Solve for x
    x = 126,845,598,156.62/518,154.22
  6. Step 6: Final answer
    x = 244,802.79

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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.