Home / 148,900.14-223,402.05-70,074.54

Finding the Fourth Proportional to 148,900.14, 223,402.05 and 70,074.54

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Solution

The fourth proportional to 148,900.14, 223,402.05 and 70,074.54 is: 105,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,900.14 : 223,402.05 = 70,074.54 : x
  2. Step 2: Convert to fraction form
    148,900.14/223,402.05 = 70,074.54/x
  3. Step 3: Cross multiply
    148,900.14x = 223,402.05 × 70,074.54
  4. Step 4: Simplify right side
    148,900.14x = 15,654,795,888.81
  5. Step 5: Solve for x
    x = 15,654,795,888.81/148,900.14
  6. Step 6: Final answer
    x = 105,136.21

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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.