Home / 219,653.27-303,117.91-122,859.39

Finding the Fourth Proportional to 219,653.27, 303,117.91 and 122,859.39

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Solution

The fourth proportional to 219,653.27, 303,117.91 and 122,859.39 is: 169,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,653.27 : 303,117.91 = 122,859.39 : x
  2. Step 2: Convert to fraction form
    219,653.27/303,117.91 = 122,859.39/x
  3. Step 3: Cross multiply
    219,653.27x = 303,117.91 × 122,859.39
  4. Step 4: Simplify right side
    219,653.27x = 37,240,880,076.83
  5. Step 5: Solve for x
    x = 37,240,880,076.83/219,653.27
  6. Step 6: Final answer
    x = 169,543.93

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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.