Home / 291,187.24-401,807.46-163,860.76

Finding the Fourth Proportional to 291,187.24, 401,807.46 and 163,860.76

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Solution

The fourth proportional to 291,187.24, 401,807.46 and 163,860.76 is: 226,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,187.24 : 401,807.46 = 163,860.76 : x
  2. Step 2: Convert to fraction form
    291,187.24/401,807.46 = 163,860.76/x
  3. Step 3: Cross multiply
    291,187.24x = 401,807.46 × 163,860.76
  4. Step 4: Simplify right side
    291,187.24x = 65,840,475,769.27
  5. Step 5: Solve for x
    x = 65,840,475,769.27/291,187.24
  6. Step 6: Final answer
    x = 226,110.44

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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.