Home / 356,412.12-491,863.50-195,281.16

Finding the Fourth Proportional to 356,412.12, 491,863.50 and 195,281.16

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Solution

The fourth proportional to 356,412.12, 491,863.50 and 195,281.16 is: 269,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,412.12 : 491,863.50 = 195,281.16 : x
  2. Step 2: Convert to fraction form
    356,412.12/491,863.50 = 195,281.16/x
  3. Step 3: Cross multiply
    356,412.12x = 491,863.50 × 195,281.16
  4. Step 4: Simplify right side
    356,412.12x = 96,051,674,841.66
  5. Step 5: Solve for x
    x = 96,051,674,841.66/356,412.12
  6. Step 6: Final answer
    x = 269,496.10

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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.