Home / 211,635.41-292,065.28-116,145.54

Finding the Fourth Proportional to 211,635.41, 292,065.28 and 116,145.54

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Solution

The fourth proportional to 211,635.41, 292,065.28 and 116,145.54 is: 160,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,635.41 : 292,065.28 = 116,145.54 : x
  2. Step 2: Convert to fraction form
    211,635.41/292,065.28 = 116,145.54/x
  3. Step 3: Cross multiply
    211,635.41x = 292,065.28 × 116,145.54
  4. Step 4: Simplify right side
    211,635.41x = 33,922,079,370.49
  5. Step 5: Solve for x
    x = 33,922,079,370.49/211,635.41
  6. Step 6: Final answer
    x = 160,285.47

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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.