Home / 265,178.72-365,692.24-178,160.42

Finding the Fourth Proportional to 265,178.72, 365,692.24 and 178,160.42

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Solution

The fourth proportional to 265,178.72, 365,692.24 and 178,160.42 is: 245,690.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,178.72 : 365,692.24 = 178,160.42 : x
  2. Step 2: Convert to fraction form
    265,178.72/365,692.24 = 178,160.42/x
  3. Step 3: Cross multiply
    265,178.72x = 365,692.24 × 178,160.42
  4. Step 4: Simplify right side
    265,178.72x = 65,151,883,069.14
  5. Step 5: Solve for x
    x = 65,151,883,069.14/265,178.72
  6. Step 6: Final answer
    x = 245,690.47

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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.