Home / 346,195.50-477,692.07-231,289.92

Finding the Fourth Proportional to 346,195.50, 477,692.07 and 231,289.92

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Solution

The fourth proportional to 346,195.50, 477,692.07 and 231,289.92 is: 319,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,195.50 : 477,692.07 = 231,289.92 : x
  2. Step 2: Convert to fraction form
    346,195.50/477,692.07 = 231,289.92/x
  3. Step 3: Cross multiply
    346,195.50x = 477,692.07 × 231,289.92
  4. Step 4: Simplify right side
    346,195.50x = 110,485,360,654.93
  5. Step 5: Solve for x
    x = 110,485,360,654.93/346,195.50
  6. Step 6: Final answer
    x = 319,141.53

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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.