Home / 131,282.02-181,173.36-74,697.04

Finding the Fourth Proportional to 131,282.02, 181,173.36 and 74,697.04

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Solution

The fourth proportional to 131,282.02, 181,173.36 and 74,697.04 is: 103,084.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,282.02 : 181,173.36 = 74,697.04 : x
  2. Step 2: Convert to fraction form
    131,282.02/181,173.36 = 74,697.04/x
  3. Step 3: Cross multiply
    131,282.02x = 181,173.36 × 74,697.04
  4. Step 4: Simplify right side
    131,282.02x = 13,533,113,718.85
  5. Step 5: Solve for x
    x = 13,533,113,718.85/131,282.02
  6. Step 6: Final answer
    x = 103,084.29

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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.