Home / 345,731.97-477,075.13-192,755.67

Finding the Fourth Proportional to 345,731.97, 477,075.13 and 192,755.67

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Solution

The fourth proportional to 345,731.97, 477,075.13 and 192,755.67 is: 265,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,731.97 : 477,075.13 = 192,755.67 : x
  2. Step 2: Convert to fraction form
    345,731.97/477,075.13 = 192,755.67/x
  3. Step 3: Cross multiply
    345,731.97x = 477,075.13 × 192,755.67
  4. Step 4: Simplify right side
    345,731.97x = 91,958,935,841.60
  5. Step 5: Solve for x
    x = 91,958,935,841.60/345,731.97
  6. Step 6: Final answer
    x = 265,983.32

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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.