Home / 353,023.32-487,175.42-191,878.74

Finding the Fourth Proportional to 353,023.32, 487,175.42 and 191,878.74

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Solution

The fourth proportional to 353,023.32, 487,175.42 and 191,878.74 is: 264,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,023.32 : 487,175.42 = 191,878.74 : x
  2. Step 2: Convert to fraction form
    353,023.32/487,175.42 = 191,878.74/x
  3. Step 3: Cross multiply
    353,023.32x = 487,175.42 × 191,878.74
  4. Step 4: Simplify right side
    353,023.32x = 93,478,604,789.18
  5. Step 5: Solve for x
    x = 93,478,604,789.18/353,023.32
  6. Step 6: Final answer
    x = 264,794.42

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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.