Home / 385,095.17-577,589.30-118,864.37

Finding the Fourth Proportional to 385,095.17, 577,589.30 and 118,864.37

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Solution

The fourth proportional to 385,095.17, 577,589.30 and 118,864.37 is: 178,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,095.17 : 577,589.30 = 118,864.37 : x
  2. Step 2: Convert to fraction form
    385,095.17/577,589.30 = 118,864.37/x
  3. Step 3: Cross multiply
    385,095.17x = 577,589.30 × 118,864.37
  4. Step 4: Simplify right side
    385,095.17x = 68,654,787,668.92
  5. Step 5: Solve for x
    x = 68,654,787,668.92/385,095.17
  6. Step 6: Final answer
    x = 178,280.05

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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.