Home / 185,625.27-256,156.02-100,740.51

Finding the Fourth Proportional to 185,625.27, 256,156.02 and 100,740.51

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Solution

The fourth proportional to 185,625.27, 256,156.02 and 100,740.51 is: 139,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,625.27 : 256,156.02 = 100,740.51 : x
  2. Step 2: Convert to fraction form
    185,625.27/256,156.02 = 100,740.51/x
  3. Step 3: Cross multiply
    185,625.27x = 256,156.02 × 100,740.51
  4. Step 4: Simplify right side
    185,625.27x = 25,805,288,094.37
  5. Step 5: Solve for x
    x = 25,805,288,094.37/185,625.27
  6. Step 6: Final answer
    x = 139,018.18

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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.