Home / 190,806.89-286,216.40-95,985.25

Finding the Fourth Proportional to 190,806.89, 286,216.40 and 95,985.25

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Solution

The fourth proportional to 190,806.89, 286,216.40 and 95,985.25 is: 143,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,806.89 : 286,216.40 = 95,985.25 : x
  2. Step 2: Convert to fraction form
    190,806.89/286,216.40 = 95,985.25/x
  3. Step 3: Cross multiply
    190,806.89x = 286,216.40 × 95,985.25
  4. Step 4: Simplify right side
    190,806.89x = 27,472,553,305.83
  5. Step 5: Solve for x
    x = 27,472,553,305.83/190,806.89
  6. Step 6: Final answer
    x = 143,980.93

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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.