Home / 340,521.32-469,878.27-195,319.64

Finding the Fourth Proportional to 340,521.32, 469,878.27 and 195,319.64

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Solution

The fourth proportional to 340,521.32, 469,878.27 and 195,319.64 is: 269,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,521.32 : 469,878.27 = 195,319.64 : x
  2. Step 2: Convert to fraction form
    340,521.32/469,878.27 = 195,319.64/x
  3. Step 3: Cross multiply
    340,521.32x = 469,878.27 × 195,319.64
  4. Step 4: Simplify right side
    340,521.32x = 91,776,452,190.83
  5. Step 5: Solve for x
    x = 91,776,452,190.83/340,521.32
  6. Step 6: Final answer
    x = 269,517.50

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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.