Home / 147,966.32-221,971.58-54,464.96

Finding the Fourth Proportional to 147,966.32, 221,971.58 and 54,464.96

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Solution

The fourth proportional to 147,966.32, 221,971.58 and 54,464.96 is: 81,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,966.32 : 221,971.58 = 54,464.96 : x
  2. Step 2: Convert to fraction form
    147,966.32/221,971.58 = 54,464.96/x
  3. Step 3: Cross multiply
    147,966.32x = 221,971.58 × 54,464.96
  4. Step 4: Simplify right side
    147,966.32x = 12,089,673,225.84
  5. Step 5: Solve for x
    x = 12,089,673,225.84/147,966.32
  6. Step 6: Final answer
    x = 81,705.57

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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.