Home / 147,635.96-221,457.35-52,872.64

Finding the Fourth Proportional to 147,635.96, 221,457.35 and 52,872.64

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Solution

The fourth proportional to 147,635.96, 221,457.35 and 52,872.64 is: 79,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,635.96 : 221,457.35 = 52,872.64 : x
  2. Step 2: Convert to fraction form
    147,635.96/221,457.35 = 52,872.64/x
  3. Step 3: Cross multiply
    147,635.96x = 221,457.35 × 52,872.64
  4. Step 4: Simplify right side
    147,635.96x = 11,709,033,370.25
  5. Step 5: Solve for x
    x = 11,709,033,370.25/147,635.96
  6. Step 6: Final answer
    x = 79,310.17

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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.