Home / 354,983.75-532,631.72-186,464.94

Finding the Fourth Proportional to 354,983.75, 532,631.72 and 186,464.94

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Solution

The fourth proportional to 354,983.75, 532,631.72 and 186,464.94 is: 279,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,983.75 : 532,631.72 = 186,464.94 : x
  2. Step 2: Convert to fraction form
    354,983.75/532,631.72 = 186,464.94/x
  3. Step 3: Cross multiply
    354,983.75x = 532,631.72 × 186,464.94
  4. Step 4: Simplify right side
    354,983.75x = 99,317,141,711.90
  5. Step 5: Solve for x
    x = 99,317,141,711.90/354,983.75
  6. Step 6: Final answer
    x = 279,779.40

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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.