Home / 160,250.42-221,139.38-88,631.64

Finding the Fourth Proportional to 160,250.42, 221,139.38 and 88,631.64

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Solution

The fourth proportional to 160,250.42, 221,139.38 and 88,631.64 is: 122,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,250.42 : 221,139.38 = 88,631.64 : x
  2. Step 2: Convert to fraction form
    160,250.42/221,139.38 = 88,631.64/x
  3. Step 3: Cross multiply
    160,250.42x = 221,139.38 × 88,631.64
  4. Step 4: Simplify right side
    160,250.42x = 19,599,946,139.56
  5. Step 5: Solve for x
    x = 19,599,946,139.56/160,250.42
  6. Step 6: Final answer
    x = 122,308.23

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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.