Home / 147,971.84-222,438.92-118,709.80

Finding the Fourth Proportional to 147,971.84, 222,438.92 and 118,709.80

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Solution

The fourth proportional to 147,971.84, 222,438.92 and 118,709.80 is: 178,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,971.84 : 222,438.92 = 118,709.80 : x
  2. Step 2: Convert to fraction form
    147,971.84/222,438.92 = 118,709.80/x
  3. Step 3: Cross multiply
    147,971.84x = 222,438.92 × 118,709.80
  4. Step 4: Simplify right side
    147,971.84x = 26,405,679,705.42
  5. Step 5: Solve for x
    x = 26,405,679,705.42/147,971.84
  6. Step 6: Final answer
    x = 178,450.71

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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.