Home / 148,421.70-222,663.60-48,574.08

Finding the Fourth Proportional to 148,421.70, 222,663.60 and 48,574.08

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Solution

The fourth proportional to 148,421.70, 222,663.60 and 48,574.08 is: 72,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,421.70 : 222,663.60 = 48,574.08 : x
  2. Step 2: Convert to fraction form
    148,421.70/222,663.60 = 48,574.08/x
  3. Step 3: Cross multiply
    148,421.70x = 222,663.60 × 48,574.08
  4. Step 4: Simplify right side
    148,421.70x = 10,815,679,519.49
  5. Step 5: Solve for x
    x = 10,815,679,519.49/148,421.70
  6. Step 6: Final answer
    x = 72,871.28

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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.