Home / 190,988.46-287,625.26-173,963.43

Finding the Fourth Proportional to 190,988.46, 287,625.26 and 173,963.43

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Solution

The fourth proportional to 190,988.46, 287,625.26 and 173,963.43 is: 261,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,988.46 : 287,625.26 = 173,963.43 : x
  2. Step 2: Convert to fraction form
    190,988.46/287,625.26 = 173,963.43/x
  3. Step 3: Cross multiply
    190,988.46x = 287,625.26 × 173,963.43
  4. Step 4: Simplify right side
    190,988.46x = 50,036,277,219.15
  5. Step 5: Solve for x
    x = 50,036,277,219.15/190,988.46
  6. Step 6: Final answer
    x = 261,985.87

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1.5x scale

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.