Home / 190,896.66-286,348.59-57,776.40

Finding the Fourth Proportional to 190,896.66, 286,348.59 and 57,776.40

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Solution

The fourth proportional to 190,896.66, 286,348.59 and 57,776.40 is: 86,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,896.66 : 286,348.59 = 57,776.40 : x
  2. Step 2: Convert to fraction form
    190,896.66/286,348.59 = 57,776.40/x
  3. Step 3: Cross multiply
    190,896.66x = 286,348.59 × 57,776.40
  4. Step 4: Simplify right side
    190,896.66x = 16,544,190,675.28
  5. Step 5: Solve for x
    x = 16,544,190,675.28/190,896.66
  6. Step 6: Final answer
    x = 86,665.69

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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.