Home / 155,433.75-233,156.70-48,890.40

Finding the Fourth Proportional to 155,433.75, 233,156.70 and 48,890.40

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Solution

The fourth proportional to 155,433.75, 233,156.70 and 48,890.40 is: 73,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,433.75 : 233,156.70 = 48,890.40 : x
  2. Step 2: Convert to fraction form
    155,433.75/233,156.70 = 48,890.40/x
  3. Step 3: Cross multiply
    155,433.75x = 233,156.70 × 48,890.40
  4. Step 4: Simplify right side
    155,433.75x = 11,399,124,325.68
  5. Step 5: Solve for x
    x = 11,399,124,325.68/155,433.75
  6. Step 6: Final answer
    x = 73,337.51

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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.