Home / 190,191.05-262,445.21-113,694.81

Finding the Fourth Proportional to 190,191.05, 262,445.21 and 113,694.81

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Solution

The fourth proportional to 190,191.05, 262,445.21 and 113,694.81 is: 156,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,191.05 : 262,445.21 = 113,694.81 : x
  2. Step 2: Convert to fraction form
    190,191.05/262,445.21 = 113,694.81/x
  3. Step 3: Cross multiply
    190,191.05x = 262,445.21 × 113,694.81
  4. Step 4: Simplify right side
    190,191.05x = 29,838,657,717.89
  5. Step 5: Solve for x
    x = 29,838,657,717.89/190,191.05
  6. Step 6: Final answer
    x = 156,887.82

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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.