Home / 148,307.40-222,485.34-48,438.60

Finding the Fourth Proportional to 148,307.40, 222,485.34 and 48,438.60

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Solution

The fourth proportional to 148,307.40, 222,485.34 and 48,438.60 is: 72,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,307.40 : 222,485.34 = 48,438.60 : x
  2. Step 2: Convert to fraction form
    148,307.40/222,485.34 = 48,438.60/x
  3. Step 3: Cross multiply
    148,307.40x = 222,485.34 × 48,438.60
  4. Step 4: Simplify right side
    148,307.40x = 10,776,878,390.12
  5. Step 5: Solve for x
    x = 10,776,878,390.12/148,307.40
  6. Step 6: Final answer
    x = 72,665.82

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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.