Home / 146,072.80-219,106.56-40,890.16

Finding the Fourth Proportional to 146,072.80, 219,106.56 and 40,890.16

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Solution

The fourth proportional to 146,072.80, 219,106.56 and 40,890.16 is: 61,334.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,072.80 : 219,106.56 = 40,890.16 : x
  2. Step 2: Convert to fraction form
    146,072.80/219,106.56 = 40,890.16/x
  3. Step 3: Cross multiply
    146,072.80x = 219,106.56 × 40,890.16
  4. Step 4: Simplify right side
    146,072.80x = 8,959,302,295.45
  5. Step 5: Solve for x
    x = 8,959,302,295.45/146,072.80
  6. Step 6: Final answer
    x = 61,334.50

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1.5x scale

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.