Home / 211,935.05-316,530.75-191,904.51

Finding the Fourth Proportional to 211,935.05, 316,530.75 and 191,904.51

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Solution

The fourth proportional to 211,935.05, 316,530.75 and 191,904.51 is: 286,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,935.05 : 316,530.75 = 191,904.51 : x
  2. Step 2: Convert to fraction form
    211,935.05/316,530.75 = 191,904.51/x
  3. Step 3: Cross multiply
    211,935.05x = 316,530.75 × 191,904.51
  4. Step 4: Simplify right side
    211,935.05x = 60,743,680,385.31
  5. Step 5: Solve for x
    x = 60,743,680,385.31/211,935.05
  6. Step 6: Final answer
    x = 286,614.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.