Home / 213,185.27-294,193.77-117,689.91

Finding the Fourth Proportional to 213,185.27, 294,193.77 and 117,689.91

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Solution

The fourth proportional to 213,185.27, 294,193.77 and 117,689.91 is: 162,411.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,185.27 : 294,193.77 = 117,689.91 : x
  2. Step 2: Convert to fraction form
    213,185.27/294,193.77 = 117,689.91/x
  3. Step 3: Cross multiply
    213,185.27x = 294,193.77 × 117,689.91
  4. Step 4: Simplify right side
    213,185.27x = 34,623,638,313.86
  5. Step 5: Solve for x
    x = 34,623,638,313.86/213,185.27
  6. Step 6: Final answer
    x = 162,411.03

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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.