Home / 190,168.74-262,432.88-104,133.15

Finding the Fourth Proportional to 190,168.74, 262,432.88 and 104,133.15

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Solution

The fourth proportional to 190,168.74, 262,432.88 and 104,133.15 is: 143,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,168.74 : 262,432.88 = 104,133.15 : x
  2. Step 2: Convert to fraction form
    190,168.74/262,432.88 = 104,133.15/x
  3. Step 3: Cross multiply
    190,168.74x = 262,432.88 × 104,133.15
  4. Step 4: Simplify right side
    190,168.74x = 27,327,961,937.31
  5. Step 5: Solve for x
    x = 27,327,961,937.31/190,168.74
  6. Step 6: Final answer
    x = 143,703.75

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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.