Home / 351,768.26-527,337.03-127,075.88

Finding the Fourth Proportional to 351,768.26, 527,337.03 and 127,075.88

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Solution

The fourth proportional to 351,768.26, 527,337.03 and 127,075.88 is: 190,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,768.26 : 527,337.03 = 127,075.88 : x
  2. Step 2: Convert to fraction form
    351,768.26/527,337.03 = 127,075.88/x
  3. Step 3: Cross multiply
    351,768.26x = 527,337.03 × 127,075.88
  4. Step 4: Simplify right side
    351,768.26x = 67,011,817,143.84
  5. Step 5: Solve for x
    x = 67,011,817,143.84/351,768.26
  6. Step 6: Final answer
    x = 190,499.90

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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.