Home / 160,953.28-222,156.40-109,986.64

Finding the Fourth Proportional to 160,953.28, 222,156.40 and 109,986.64

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Solution

The fourth proportional to 160,953.28, 222,156.40 and 109,986.64 is: 151,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,953.28 : 222,156.40 = 109,986.64 : x
  2. Step 2: Convert to fraction form
    160,953.28/222,156.40 = 109,986.64/x
  3. Step 3: Cross multiply
    160,953.28x = 222,156.40 × 109,986.64
  4. Step 4: Simplify right side
    160,953.28x = 24,434,235,990.50
  5. Step 5: Solve for x
    x = 24,434,235,990.50/160,953.28
  6. Step 6: Final answer
    x = 151,809.49

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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.