Home / 159,546.58-220,174.28-87,926.60

Finding the Fourth Proportional to 159,546.58, 220,174.28 and 87,926.60

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Solution

The fourth proportional to 159,546.58, 220,174.28 and 87,926.60 is: 121,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,546.58 : 220,174.28 = 87,926.60 : x
  2. Step 2: Convert to fraction form
    159,546.58/220,174.28 = 87,926.60/x
  3. Step 3: Cross multiply
    159,546.58x = 220,174.28 × 87,926.60
  4. Step 4: Simplify right side
    159,546.58x = 19,359,174,307.34
  5. Step 5: Solve for x
    x = 19,359,174,307.34/159,546.58
  6. Step 6: Final answer
    x = 121,338.70

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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.