Home / 328,075.20-452,743.76-177,172.20

Finding the Fourth Proportional to 328,075.20, 452,743.76 and 177,172.20

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Solution

The fourth proportional to 328,075.20, 452,743.76 and 177,172.20 is: 244,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,075.20 : 452,743.76 = 177,172.20 : x
  2. Step 2: Convert to fraction form
    328,075.20/452,743.76 = 177,172.20/x
  3. Step 3: Cross multiply
    328,075.20x = 452,743.76 × 177,172.20
  4. Step 4: Simplify right side
    328,075.20x = 80,213,607,995.47
  5. Step 5: Solve for x
    x = 80,213,607,995.47/328,075.20
  6. Step 6: Final answer
    x = 244,497.63

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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.