Home / 307,538.20-461,501.70-181,178.20

Finding the Fourth Proportional to 307,538.20, 461,501.70 and 181,178.20

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Solution

The fourth proportional to 307,538.20, 461,501.70 and 181,178.20 is: 271,881.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,538.20 : 461,501.70 = 181,178.20 : x
  2. Step 2: Convert to fraction form
    307,538.20/461,501.70 = 181,178.20/x
  3. Step 3: Cross multiply
    307,538.20x = 461,501.70 × 181,178.20
  4. Step 4: Simplify right side
    307,538.20x = 83,614,047,302.94
  5. Step 5: Solve for x
    x = 83,614,047,302.94/307,538.20
  6. Step 6: Final answer
    x = 271,881.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.