Home / 356,048.64-491,332.32-194,899.68

Finding the Fourth Proportional to 356,048.64, 491,332.32 and 194,899.68

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Solution

The fourth proportional to 356,048.64, 491,332.32 and 194,899.68 is: 268,953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,048.64 : 491,332.32 = 194,899.68 : x
  2. Step 2: Convert to fraction form
    356,048.64/491,332.32 = 194,899.68/x
  3. Step 3: Cross multiply
    356,048.64x = 491,332.32 × 194,899.68
  4. Step 4: Simplify right side
    356,048.64x = 95,760,511,941.66
  5. Step 5: Solve for x
    x = 95,760,511,941.66/356,048.64
  6. Step 6: Final answer
    x = 268,953.46

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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.