Home / 790,144.95-1,185,218.00-191,106.69

Finding the Fourth Proportional to 790,144.95, 1,185,218.00 and 191,106.69

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Solution

The fourth proportional to 790,144.95, 1,185,218.00 and 191,106.69 is: 286,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,144.95 : 1,185,218.00 = 191,106.69 : x
  2. Step 2: Convert to fraction form
    790,144.95/1,185,218.00 = 191,106.69/x
  3. Step 3: Cross multiply
    790,144.95x = 1,185,218.00 × 191,106.69
  4. Step 4: Simplify right side
    790,144.95x = 226,503,084,224.97
  5. Step 5: Solve for x
    x = 226,503,084,224.97/790,144.95
  6. Step 6: Final answer
    x = 286,660.17

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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.