Home / 211,605.30-292,015.67-116,112.74

Finding the Fourth Proportional to 211,605.30, 292,015.67 and 116,112.74

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Solution

The fourth proportional to 211,605.30, 292,015.67 and 116,112.74 is: 160,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,605.30 : 292,015.67 = 116,112.74 : x
  2. Step 2: Convert to fraction form
    211,605.30/292,015.67 = 116,112.74/x
  3. Step 3: Cross multiply
    211,605.30x = 292,015.67 × 116,112.74
  4. Step 4: Simplify right side
    211,605.30x = 33,906,737,525.99
  5. Step 5: Solve for x
    x = 33,906,737,525.99/211,605.30
  6. Step 6: Final answer
    x = 160,235.77

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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.