Home / 148,023.18-222,071.22-42,852.78

Finding the Fourth Proportional to 148,023.18, 222,071.22 and 42,852.78

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Solution

The fourth proportional to 148,023.18, 222,071.22 and 42,852.78 is: 64,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,023.18 : 222,071.22 = 42,852.78 : x
  2. Step 2: Convert to fraction form
    148,023.18/222,071.22 = 42,852.78/x
  3. Step 3: Cross multiply
    148,023.18x = 222,071.22 × 42,852.78
  4. Step 4: Simplify right side
    148,023.18x = 9,516,369,134.99
  5. Step 5: Solve for x
    x = 9,516,369,134.99/148,023.18
  6. Step 6: Final answer
    x = 64,289.72

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1.5x scale

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.