Home / 235,116.72-324,463.46-127,688.85

Finding the Fourth Proportional to 235,116.72, 324,463.46 and 127,688.85

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Solution

The fourth proportional to 235,116.72, 324,463.46 and 127,688.85 is: 176,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,116.72 : 324,463.46 = 127,688.85 : x
  2. Step 2: Convert to fraction form
    235,116.72/324,463.46 = 127,688.85/x
  3. Step 3: Cross multiply
    235,116.72x = 324,463.46 × 127,688.85
  4. Step 4: Simplify right side
    235,116.72x = 41,430,365,435.98
  5. Step 5: Solve for x
    x = 41,430,365,435.98/235,116.72
  6. Step 6: Final answer
    x = 176,211.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.