Home / 185,880.48-256,509.36-100,995.72

Finding the Fourth Proportional to 185,880.48, 256,509.36 and 100,995.72

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Solution

The fourth proportional to 185,880.48, 256,509.36 and 100,995.72 is: 139,371.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,880.48 : 256,509.36 = 100,995.72 : x
  2. Step 2: Convert to fraction form
    185,880.48/256,509.36 = 100,995.72/x
  3. Step 3: Cross multiply
    185,880.48x = 256,509.36 × 100,995.72
  4. Step 4: Simplify right side
    185,880.48x = 25,906,347,499.94
  5. Step 5: Solve for x
    x = 25,906,347,499.94/185,880.48
  6. Step 6: Final answer
    x = 139,371.00

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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.