Home / 152,728.17-229,122.11-46,120.80

Finding the Fourth Proportional to 152,728.17, 229,122.11 and 46,120.80

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Solution

The fourth proportional to 152,728.17, 229,122.11 and 46,120.80 is: 69,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,728.17 : 229,122.11 = 46,120.80 : x
  2. Step 2: Convert to fraction form
    152,728.17/229,122.11 = 46,120.80/x
  3. Step 3: Cross multiply
    152,728.17x = 229,122.11 × 46,120.80
  4. Step 4: Simplify right side
    152,728.17x = 10,567,295,010.89
  5. Step 5: Solve for x
    x = 10,567,295,010.89/152,728.17
  6. Step 6: Final answer
    x = 69,190.22

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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.