Home / 456,822.72-685,279.72-157,263.66

Finding the Fourth Proportional to 456,822.72, 685,279.72 and 157,263.66

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Solution

The fourth proportional to 456,822.72, 685,279.72 and 157,263.66 is: 235,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,822.72 : 685,279.72 = 157,263.66 : x
  2. Step 2: Convert to fraction form
    456,822.72/685,279.72 = 157,263.66/x
  3. Step 3: Cross multiply
    456,822.72x = 685,279.72 × 157,263.66
  4. Step 4: Simplify right side
    456,822.72x = 107,769,596,890.98
  5. Step 5: Solve for x
    x = 107,769,596,890.98/456,822.72
  6. Step 6: Final answer
    x = 235,911.20

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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.