Home / 331,014.02-456,798.09-187,801.70

Finding the Fourth Proportional to 331,014.02, 456,798.09 and 187,801.70

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Solution

The fourth proportional to 331,014.02, 456,798.09 and 187,801.70 is: 259,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,014.02 : 456,798.09 = 187,801.70 : x
  2. Step 2: Convert to fraction form
    331,014.02/456,798.09 = 187,801.70/x
  3. Step 3: Cross multiply
    331,014.02x = 456,798.09 × 187,801.70
  4. Step 4: Simplify right side
    331,014.02x = 85,787,457,858.75
  5. Step 5: Solve for x
    x = 85,787,457,858.75/331,014.02
  6. Step 6: Final answer
    x = 259,165.63

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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.