Home / 228,822.32-315,809.75-146,072.05

Finding the Fourth Proportional to 228,822.32, 315,809.75 and 146,072.05

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Solution

The fourth proportional to 228,822.32, 315,809.75 and 146,072.05 is: 201,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,822.32 : 315,809.75 = 146,072.05 : x
  2. Step 2: Convert to fraction form
    228,822.32/315,809.75 = 146,072.05/x
  3. Step 3: Cross multiply
    228,822.32x = 315,809.75 × 146,072.05
  4. Step 4: Simplify right side
    228,822.32x = 46,130,978,056.36
  5. Step 5: Solve for x
    x = 46,130,978,056.36/228,822.32
  6. Step 6: Final answer
    x = 201,601.74

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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.