Home / 354,075.30-488,619.54-192,926.21

Finding the Fourth Proportional to 354,075.30, 488,619.54 and 192,926.21

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Solution

The fourth proportional to 354,075.30, 488,619.54 and 192,926.21 is: 266,235.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,075.30 : 488,619.54 = 192,926.21 : x
  2. Step 2: Convert to fraction form
    354,075.30/488,619.54 = 192,926.21/x
  3. Step 3: Cross multiply
    354,075.30x = 488,619.54 × 192,926.21
  4. Step 4: Simplify right side
    354,075.30x = 94,267,513,541.05
  5. Step 5: Solve for x
    x = 94,267,513,541.05/354,075.30
  6. Step 6: Final answer
    x = 266,235.78

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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.