Home / 302,710.03-417,739.85-166,743.56

Finding the Fourth Proportional to 302,710.03, 417,739.85 and 166,743.56

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Solution

The fourth proportional to 302,710.03, 417,739.85 and 166,743.56 is: 230,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,710.03 : 417,739.85 = 166,743.56 : x
  2. Step 2: Convert to fraction form
    302,710.03/417,739.85 = 166,743.56/x
  3. Step 3: Cross multiply
    302,710.03x = 417,739.85 × 166,743.56
  4. Step 4: Simplify right side
    302,710.03x = 69,655,429,742.87
  5. Step 5: Solve for x
    x = 69,655,429,742.87/302,710.03
  6. Step 6: Final answer
    x = 230,106.12

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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.