Home / 354,132.57-488,703.04-192,987.66

Finding the Fourth Proportional to 354,132.57, 488,703.04 and 192,987.66

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Solution

The fourth proportional to 354,132.57, 488,703.04 and 192,987.66 is: 266,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,132.57 : 488,703.04 = 192,987.66 : x
  2. Step 2: Convert to fraction form
    354,132.57/488,703.04 = 192,987.66/x
  3. Step 3: Cross multiply
    354,132.57x = 488,703.04 × 192,987.66
  4. Step 4: Simplify right side
    354,132.57x = 94,313,657,474.65
  5. Step 5: Solve for x
    x = 94,313,657,474.65/354,132.57
  6. Step 6: Final answer
    x = 266,323.02

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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.