Home / 185,224.32-277,903.08-72,842.28

Finding the Fourth Proportional to 185,224.32, 277,903.08 and 72,842.28

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Solution

The fourth proportional to 185,224.32, 277,903.08 and 72,842.28 is: 109,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,224.32 : 277,903.08 = 72,842.28 : x
  2. Step 2: Convert to fraction form
    185,224.32/277,903.08 = 72,842.28/x
  3. Step 3: Cross multiply
    185,224.32x = 277,903.08 × 72,842.28
  4. Step 4: Simplify right side
    185,224.32x = 20,243,093,966.22
  5. Step 5: Solve for x
    x = 20,243,093,966.22/185,224.32
  6. Step 6: Final answer
    x = 109,289.61

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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.