Home / 479,186.85-718,866.35-163,569.95

Finding the Fourth Proportional to 479,186.85, 718,866.35 and 163,569.95

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Solution

The fourth proportional to 479,186.85, 718,866.35 and 163,569.95 is: 245,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,186.85 : 718,866.35 = 163,569.95 : x
  2. Step 2: Convert to fraction form
    479,186.85/718,866.35 = 163,569.95/x
  3. Step 3: Cross multiply
    479,186.85x = 718,866.35 × 163,569.95
  4. Step 4: Simplify right side
    479,186.85x = 117,584,928,514.00
  5. Step 5: Solve for x
    x = 117,584,928,514.00/479,186.85
  6. Step 6: Final answer
    x = 245,384.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.