Home / 190,343.20-262,801.92-170,135.32

Finding the Fourth Proportional to 190,343.20, 262,801.92 and 170,135.32

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Solution

The fourth proportional to 190,343.20, 262,801.92 and 170,135.32 is: 234,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,343.20 : 262,801.92 = 170,135.32 : x
  2. Step 2: Convert to fraction form
    190,343.20/262,801.92 = 170,135.32/x
  3. Step 3: Cross multiply
    190,343.20x = 262,801.92 × 170,135.32
  4. Step 4: Simplify right side
    190,343.20x = 44,711,888,755.81
  5. Step 5: Solve for x
    x = 44,711,888,755.81/190,343.20
  6. Step 6: Final answer
    x = 234,901.42

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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.