Home / 190,823.39-287,606.69-164,487.25

Finding the Fourth Proportional to 190,823.39, 287,606.69 and 164,487.25

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Solution

The fourth proportional to 190,823.39, 287,606.69 and 164,487.25 is: 247,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,823.39 : 287,606.69 = 164,487.25 : x
  2. Step 2: Convert to fraction form
    190,823.39/287,606.69 = 164,487.25/x
  3. Step 3: Cross multiply
    190,823.39x = 287,606.69 × 164,487.25
  4. Step 4: Simplify right side
    190,823.39x = 47,307,633,519.70
  5. Step 5: Solve for x
    x = 47,307,633,519.70/190,823.39
  6. Step 6: Final answer
    x = 247,913.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.