Home / 156,920.50-235,380.75-46,112.50

Finding the Fourth Proportional to 156,920.50, 235,380.75 and 46,112.50

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Solution

The fourth proportional to 156,920.50, 235,380.75 and 46,112.50 is: 69,168.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,920.50 : 235,380.75 = 46,112.50 : x
  2. Step 2: Convert to fraction form
    156,920.50/235,380.75 = 46,112.50/x
  3. Step 3: Cross multiply
    156,920.50x = 235,380.75 × 46,112.50
  4. Step 4: Simplify right side
    156,920.50x = 10,853,994,834.38
  5. Step 5: Solve for x
    x = 10,853,994,834.38/156,920.50
  6. Step 6: Final answer
    x = 69,168.75

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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.