Home / 114,529.40-172,254.90-102,548.60

Finding the Fourth Proportional to 114,529.40, 172,254.90 and 102,548.60

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Solution

The fourth proportional to 114,529.40, 172,254.90 and 102,548.60 is: 154,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,529.40 : 172,254.90 = 102,548.60 : x
  2. Step 2: Convert to fraction form
    114,529.40/172,254.90 = 102,548.60/x
  3. Step 3: Cross multiply
    114,529.40x = 172,254.90 × 102,548.60
  4. Step 4: Simplify right side
    114,529.40x = 17,664,498,838.14
  5. Step 5: Solve for x
    x = 17,664,498,838.14/114,529.40
  6. Step 6: Final answer
    x = 154,235.50

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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.