Home / 190,118.31-285,155.58-49,887.87

Finding the Fourth Proportional to 190,118.31, 285,155.58 and 49,887.87

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Solution

The fourth proportional to 190,118.31, 285,155.58 and 49,887.87 is: 74,826.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,118.31 : 285,155.58 = 49,887.87 : x
  2. Step 2: Convert to fraction form
    190,118.31/285,155.58 = 49,887.87/x
  3. Step 3: Cross multiply
    190,118.31x = 285,155.58 × 49,887.87
  4. Step 4: Simplify right side
    190,118.31x = 14,225,804,504.81
  5. Step 5: Solve for x
    x = 14,225,804,504.81/190,118.31
  6. Step 6: Final answer
    x = 74,826.06

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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.