Home / 219,298.54-302,604.51-122,479.24

Finding the Fourth Proportional to 219,298.54, 302,604.51 and 122,479.24

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Solution

The fourth proportional to 219,298.54, 302,604.51 and 122,479.24 is: 169,006.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,298.54 : 302,604.51 = 122,479.24 : x
  2. Step 2: Convert to fraction form
    219,298.54/302,604.51 = 122,479.24/x
  3. Step 3: Cross multiply
    219,298.54x = 302,604.51 × 122,479.24
  4. Step 4: Simplify right side
    219,298.54x = 37,062,770,405.37
  5. Step 5: Solve for x
    x = 37,062,770,405.37/219,298.54
  6. Step 6: Final answer
    x = 169,006.01

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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.