Home / 114,815.60-172,223.40-102,568.40

Finding the Fourth Proportional to 114,815.60, 172,223.40 and 102,568.40

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Solution

The fourth proportional to 114,815.60, 172,223.40 and 102,568.40 is: 153,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,815.60 : 172,223.40 = 102,568.40 : x
  2. Step 2: Convert to fraction form
    114,815.60/172,223.40 = 102,568.40/x
  3. Step 3: Cross multiply
    114,815.60x = 172,223.40 × 102,568.40
  4. Step 4: Simplify right side
    114,815.60x = 17,664,678,580.56
  5. Step 5: Solve for x
    x = 17,664,678,580.56/114,815.60
  6. Step 6: Final answer
    x = 153,852.60

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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.