Home / 148,478.64-222,754.32-48,644.16

Finding the Fourth Proportional to 148,478.64, 222,754.32 and 48,644.16

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Solution

The fourth proportional to 148,478.64, 222,754.32 and 48,644.16 is: 72,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,478.64 : 222,754.32 = 48,644.16 : x
  2. Step 2: Convert to fraction form
    148,478.64/222,754.32 = 48,644.16/x
  3. Step 3: Cross multiply
    148,478.64x = 222,754.32 × 48,644.16
  4. Step 4: Simplify right side
    148,478.64x = 10,835,696,782.77
  5. Step 5: Solve for x
    x = 10,835,696,782.77/148,478.64
  6. Step 6: Final answer
    x = 72,978.15

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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.