Home / 456,694.04-685,193.21-153,118.25

Finding the Fourth Proportional to 456,694.04, 685,193.21 and 153,118.25

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Solution

The fourth proportional to 456,694.04, 685,193.21 and 153,118.25 is: 229,728.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,694.04 : 685,193.21 = 153,118.25 : x
  2. Step 2: Convert to fraction form
    456,694.04/685,193.21 = 153,118.25/x
  3. Step 3: Cross multiply
    456,694.04x = 685,193.21 × 153,118.25
  4. Step 4: Simplify right side
    456,694.04x = 104,915,581,035.53
  5. Step 5: Solve for x
    x = 104,915,581,035.53/456,694.04
  6. Step 6: Final answer
    x = 229,728.38

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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.