Home / 185,321.36-255,649.28-117,223.58

Finding the Fourth Proportional to 185,321.36, 255,649.28 and 117,223.58

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Solution

The fourth proportional to 185,321.36, 255,649.28 and 117,223.58 is: 161,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,321.36 : 255,649.28 = 117,223.58 : x
  2. Step 2: Convert to fraction form
    185,321.36/255,649.28 = 117,223.58/x
  3. Step 3: Cross multiply
    185,321.36x = 255,649.28 × 117,223.58
  4. Step 4: Simplify right side
    185,321.36x = 29,968,123,826.02
  5. Step 5: Solve for x
    x = 29,968,123,826.02/185,321.36
  6. Step 6: Final answer
    x = 161,708.96

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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.