Home / 385,008.96-577,579.20-118,764.48

Finding the Fourth Proportional to 385,008.96, 577,579.20 and 118,764.48

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Solution

The fourth proportional to 385,008.96, 577,579.20 and 118,764.48 is: 178,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,008.96 : 577,579.20 = 118,764.48 : x
  2. Step 2: Convert to fraction form
    385,008.96/577,579.20 = 118,764.48/x
  3. Step 3: Cross multiply
    385,008.96x = 577,579.20 × 118,764.48
  4. Step 4: Simplify right side
    385,008.96x = 68,595,893,346.82
  5. Step 5: Solve for x
    x = 68,595,893,346.82/385,008.96
  6. Step 6: Final answer
    x = 178,167.01

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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.