Home / 309,549.44-464,357.60-132,075.20

Finding the Fourth Proportional to 309,549.44, 464,357.60 and 132,075.20

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Solution

The fourth proportional to 309,549.44, 464,357.60 and 132,075.20 is: 198,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,549.44 : 464,357.60 = 132,075.20 : x
  2. Step 2: Convert to fraction form
    309,549.44/464,357.60 = 132,075.20/x
  3. Step 3: Cross multiply
    309,549.44x = 464,357.60 × 132,075.20
  4. Step 4: Simplify right side
    309,549.44x = 61,330,122,891.52
  5. Step 5: Solve for x
    x = 61,330,122,891.52/309,549.44
  6. Step 6: Final answer
    x = 198,127.07

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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.