Home / 215,860.95-297,890.04-119,068.51

Finding the Fourth Proportional to 215,860.95, 297,890.04 and 119,068.51

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Solution

The fourth proportional to 215,860.95, 297,890.04 and 119,068.51 is: 164,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,860.95 : 297,890.04 = 119,068.51 : x
  2. Step 2: Convert to fraction form
    215,860.95/297,890.04 = 119,068.51/x
  3. Step 3: Cross multiply
    215,860.95x = 297,890.04 × 119,068.51
  4. Step 4: Simplify right side
    215,860.95x = 35,469,323,206.64
  5. Step 5: Solve for x
    x = 35,469,323,206.64/215,860.95
  6. Step 6: Final answer
    x = 164,315.61

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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.