Home / 211,120.07-316,695.52-59,339.54

Finding the Fourth Proportional to 211,120.07, 316,695.52 and 59,339.54

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Solution

The fourth proportional to 211,120.07, 316,695.52 and 59,339.54 is: 89,013.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,120.07 : 316,695.52 = 59,339.54 : x
  2. Step 2: Convert to fraction form
    211,120.07/316,695.52 = 59,339.54/x
  3. Step 3: Cross multiply
    211,120.07x = 316,695.52 × 59,339.54
  4. Step 4: Simplify right side
    211,120.07x = 18,792,565,561.36
  5. Step 5: Solve for x
    x = 18,792,565,561.36/211,120.07
  6. Step 6: Final answer
    x = 89,013.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.