Home / 152,678.52-228,395.70-127,795.32

Finding the Fourth Proportional to 152,678.52, 228,395.70 and 127,795.32

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Solution

The fourth proportional to 152,678.52, 228,395.70 and 127,795.32 is: 191,172.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,678.52 : 228,395.70 = 127,795.32 : x
  2. Step 2: Convert to fraction form
    152,678.52/228,395.70 = 127,795.32/x
  3. Step 3: Cross multiply
    152,678.52x = 228,395.70 × 127,795.32
  4. Step 4: Simplify right side
    152,678.52x = 29,187,901,568.12
  5. Step 5: Solve for x
    x = 29,187,901,568.12/152,678.52
  6. Step 6: Final answer
    x = 191,172.29

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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.