Home / 325,281.12-487,822.08-114,869.76

Finding the Fourth Proportional to 325,281.12, 487,822.08 and 114,869.76

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Solution

The fourth proportional to 325,281.12, 487,822.08 and 114,869.76 is: 172,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,281.12 : 487,822.08 = 114,869.76 : x
  2. Step 2: Convert to fraction form
    325,281.12/487,822.08 = 114,869.76/x
  3. Step 3: Cross multiply
    325,281.12x = 487,822.08 × 114,869.76
  4. Step 4: Simplify right side
    325,281.12x = 56,036,005,252.30
  5. Step 5: Solve for x
    x = 56,036,005,252.30/325,281.12
  6. Step 6: Final answer
    x = 172,269.47

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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.