Home / 215,762.02-297,629.65-135,049.41

Finding the Fourth Proportional to 215,762.02, 297,629.65 and 135,049.41

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Solution

The fourth proportional to 215,762.02, 297,629.65 and 135,049.41 is: 186,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,762.02 : 297,629.65 = 135,049.41 : x
  2. Step 2: Convert to fraction form
    215,762.02/297,629.65 = 135,049.41/x
  3. Step 3: Cross multiply
    215,762.02x = 297,629.65 × 135,049.41
  4. Step 4: Simplify right side
    215,762.02x = 40,194,708,631.01
  5. Step 5: Solve for x
    x = 40,194,708,631.01/215,762.02
  6. Step 6: Final answer
    x = 186,291.86

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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.