Home / 170,784.84-235,733.13-99,197.04

Finding the Fourth Proportional to 170,784.84, 235,733.13 and 99,197.04

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Solution

The fourth proportional to 170,784.84, 235,733.13 and 99,197.04 is: 136,920.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,784.84 : 235,733.13 = 99,197.04 : x
  2. Step 2: Convert to fraction form
    170,784.84/235,733.13 = 99,197.04/x
  3. Step 3: Cross multiply
    170,784.84x = 235,733.13 × 99,197.04
  4. Step 4: Simplify right side
    170,784.84x = 23,384,028,725.94
  5. Step 5: Solve for x
    x = 23,384,028,725.94/170,784.84
  6. Step 6: Final answer
    x = 136,920.99

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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.