Home / 160,258.20-221,158.26-88,636.38

Finding the Fourth Proportional to 160,258.20, 221,158.26 and 88,636.38

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Solution

The fourth proportional to 160,258.20, 221,158.26 and 88,636.38 is: 122,319.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,258.20 : 221,158.26 = 88,636.38 : x
  2. Step 2: Convert to fraction form
    160,258.20/221,158.26 = 88,636.38/x
  3. Step 3: Cross multiply
    160,258.20x = 221,158.26 × 88,636.38
  4. Step 4: Simplify right side
    160,258.20x = 19,602,667,573.50
  5. Step 5: Solve for x
    x = 19,602,667,573.50/160,258.20
  6. Step 6: Final answer
    x = 122,319.28

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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.