Home / 358,635.20-537,985.80-92,396.70

Finding the Fourth Proportional to 358,635.20, 537,985.80 and 92,396.70

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Solution

The fourth proportional to 358,635.20, 537,985.80 and 92,396.70 is: 138,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,635.20 : 537,985.80 = 92,396.70 : x
  2. Step 2: Convert to fraction form
    358,635.20/537,985.80 = 92,396.70/x
  3. Step 3: Cross multiply
    358,635.20x = 537,985.80 × 92,396.70
  4. Step 4: Simplify right side
    358,635.20x = 49,708,112,566.86
  5. Step 5: Solve for x
    x = 49,708,112,566.86/358,635.20
  6. Step 6: Final answer
    x = 138,603.55

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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.