Home / 98,821.18-148,379.39-97,344.95

Finding the Fourth Proportional to 98,821.18, 148,379.39 and 97,344.95

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Solution

The fourth proportional to 98,821.18, 148,379.39 and 97,344.95 is: 146,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,821.18 : 148,379.39 = 97,344.95 : x
  2. Step 2: Convert to fraction form
    98,821.18/148,379.39 = 97,344.95/x
  3. Step 3: Cross multiply
    98,821.18x = 148,379.39 × 97,344.95
  4. Step 4: Simplify right side
    98,821.18x = 14,443,983,813.86
  5. Step 5: Solve for x
    x = 14,443,983,813.86/98,821.18
  6. Step 6: Final answer
    x = 146,162.84

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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.