Home / 190,087.11-262,319.51-102,872.03

Finding the Fourth Proportional to 190,087.11, 262,319.51 and 102,872.03

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Solution

The fourth proportional to 190,087.11, 262,319.51 and 102,872.03 is: 141,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,087.11 : 262,319.51 = 102,872.03 : x
  2. Step 2: Convert to fraction form
    190,087.11/262,319.51 = 102,872.03/x
  3. Step 3: Cross multiply
    190,087.11x = 262,319.51 × 102,872.03
  4. Step 4: Simplify right side
    190,087.11x = 26,985,341,415.28
  5. Step 5: Solve for x
    x = 26,985,341,415.28/190,087.11
  6. Step 6: Final answer
    x = 141,963.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.