Home / 185,928.36-256,572.84-105,351.20

Finding the Fourth Proportional to 185,928.36, 256,572.84 and 105,351.20

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Solution

The fourth proportional to 185,928.36, 256,572.84 and 105,351.20 is: 145,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,928.36 : 256,572.84 = 105,351.20 : x
  2. Step 2: Convert to fraction form
    185,928.36/256,572.84 = 105,351.20/x
  3. Step 3: Cross multiply
    185,928.36x = 256,572.84 × 105,351.20
  4. Step 4: Simplify right side
    185,928.36x = 27,030,256,581.41
  5. Step 5: Solve for x
    x = 27,030,256,581.41/185,928.36
  6. Step 6: Final answer
    x = 145,379.95

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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.