Home / 148,678.40-222,715.20-92,345.60

Finding the Fourth Proportional to 148,678.40, 222,715.20 and 92,345.60

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Solution

The fourth proportional to 148,678.40, 222,715.20 and 92,345.60 is: 138,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,678.40 : 222,715.20 = 92,345.60 : x
  2. Step 2: Convert to fraction form
    148,678.40/222,715.20 = 92,345.60/x
  3. Step 3: Cross multiply
    148,678.40x = 222,715.20 × 92,345.60
  4. Step 4: Simplify right side
    148,678.40x = 20,566,768,773.12
  5. Step 5: Solve for x
    x = 20,566,768,773.12/148,678.40
  6. Step 6: Final answer
    x = 138,330.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.