Home / 146,842.90-202,740.70-112,790.50

Finding the Fourth Proportional to 146,842.90, 202,740.70 and 112,790.50

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Solution

The fourth proportional to 146,842.90, 202,740.70 and 112,790.50 is: 155,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,842.90 : 202,740.70 = 112,790.50 : x
  2. Step 2: Convert to fraction form
    146,842.90/202,740.70 = 112,790.50/x
  3. Step 3: Cross multiply
    146,842.90x = 202,740.70 × 112,790.50
  4. Step 4: Simplify right side
    146,842.90x = 22,867,224,923.35
  5. Step 5: Solve for x
    x = 22,867,224,923.35/146,842.90
  6. Step 6: Final answer
    x = 155,725.78

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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.