Home / 320,336.10-442,024.98-177,076.26

Finding the Fourth Proportional to 320,336.10, 442,024.98 and 177,076.26

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Solution

The fourth proportional to 320,336.10, 442,024.98 and 177,076.26 is: 244,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,336.10 : 442,024.98 = 177,076.26 : x
  2. Step 2: Convert to fraction form
    320,336.10/442,024.98 = 177,076.26/x
  3. Step 3: Cross multiply
    320,336.10x = 442,024.98 × 177,076.26
  4. Step 4: Simplify right side
    320,336.10x = 78,272,130,284.97
  5. Step 5: Solve for x
    x = 78,272,130,284.97/320,336.10
  6. Step 6: Final answer
    x = 244,343.77

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1.5x scale

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.