Home / 211,065.58-316,513.32-76,091.23

Finding the Fourth Proportional to 211,065.58, 316,513.32 and 76,091.23

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Solution

The fourth proportional to 211,065.58, 316,513.32 and 76,091.23 is: 114,106.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,065.58 : 316,513.32 = 76,091.23 : x
  2. Step 2: Convert to fraction form
    211,065.58/316,513.32 = 76,091.23/x
  3. Step 3: Cross multiply
    211,065.58x = 316,513.32 × 76,091.23
  4. Step 4: Simplify right side
    211,065.58x = 24,083,887,830.18
  5. Step 5: Solve for x
    x = 24,083,887,830.18/211,065.58
  6. Step 6: Final answer
    x = 114,106.18

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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.