Home / 131,625.02-181,642.32-74,264.26

Finding the Fourth Proportional to 131,625.02, 181,642.32 and 74,264.26

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Solution

The fourth proportional to 131,625.02, 181,642.32 and 74,264.26 is: 102,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,625.02 : 181,642.32 = 74,264.26 : x
  2. Step 2: Convert to fraction form
    131,625.02/181,642.32 = 74,264.26/x
  3. Step 3: Cross multiply
    131,625.02x = 181,642.32 × 74,264.26
  4. Step 4: Simplify right side
    131,625.02x = 13,489,532,479.48
  5. Step 5: Solve for x
    x = 13,489,532,479.48/131,625.02
  6. Step 6: Final answer
    x = 102,484.56

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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.