Home / 185,560.26-256,072.02-100,675.50

Finding the Fourth Proportional to 185,560.26, 256,072.02 and 100,675.50

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Solution

The fourth proportional to 185,560.26, 256,072.02 and 100,675.50 is: 138,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,560.26 : 256,072.02 = 100,675.50 : x
  2. Step 2: Convert to fraction form
    185,560.26/256,072.02 = 100,675.50/x
  3. Step 3: Cross multiply
    185,560.26x = 256,072.02 × 100,675.50
  4. Step 4: Simplify right side
    185,560.26x = 25,780,178,649.51
  5. Step 5: Solve for x
    x = 25,780,178,649.51/185,560.26
  6. Step 6: Final answer
    x = 138,931.57

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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.