Home / 385,244.22-577,385.01-185,527.50

Finding the Fourth Proportional to 385,244.22, 577,385.01 and 185,527.50

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Solution

The fourth proportional to 385,244.22, 577,385.01 and 185,527.50 is: 278,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,244.22 : 577,385.01 = 185,527.50 : x
  2. Step 2: Convert to fraction form
    385,244.22/577,385.01 = 185,527.50/x
  3. Step 3: Cross multiply
    385,244.22x = 577,385.01 × 185,527.50
  4. Step 4: Simplify right side
    385,244.22x = 107,120,797,442.78
  5. Step 5: Solve for x
    x = 107,120,797,442.78/385,244.22
  6. Step 6: Final answer
    x = 278,059.45

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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.