Home / 185,643.28-256,193.45-109,148.50

Finding the Fourth Proportional to 185,643.28, 256,193.45 and 109,148.50

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Solution

The fourth proportional to 185,643.28, 256,193.45 and 109,148.50 is: 150,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,643.28 : 256,193.45 = 109,148.50 : x
  2. Step 2: Convert to fraction form
    185,643.28/256,193.45 = 109,148.50/x
  3. Step 3: Cross multiply
    185,643.28x = 256,193.45 × 109,148.50
  4. Step 4: Simplify right side
    185,643.28x = 27,963,130,777.33
  5. Step 5: Solve for x
    x = 27,963,130,777.33/185,643.28
  6. Step 6: Final answer
    x = 150,628.30

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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.