Home / 188,564.22-260,223.04-102,528.10

Finding the Fourth Proportional to 188,564.22, 260,223.04 and 102,528.10

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Solution

The fourth proportional to 188,564.22, 260,223.04 and 102,528.10 is: 141,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,564.22 : 260,223.04 = 102,528.10 : x
  2. Step 2: Convert to fraction form
    188,564.22/260,223.04 = 102,528.10/x
  3. Step 3: Cross multiply
    188,564.22x = 260,223.04 × 102,528.10
  4. Step 4: Simplify right side
    188,564.22x = 26,680,173,867.42
  5. Step 5: Solve for x
    x = 26,680,173,867.42/188,564.22
  6. Step 6: Final answer
    x = 141,491.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.