Home / 272,730.02-376,433.62-157,990.06

Finding the Fourth Proportional to 272,730.02, 376,433.62 and 157,990.06

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Solution

The fourth proportional to 272,730.02, 376,433.62 and 157,990.06 is: 218,064.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,730.02 : 376,433.62 = 157,990.06 : x
  2. Step 2: Convert to fraction form
    272,730.02/376,433.62 = 157,990.06/x
  3. Step 3: Cross multiply
    272,730.02x = 376,433.62 × 157,990.06
  4. Step 4: Simplify right side
    272,730.02x = 59,472,770,209.82
  5. Step 5: Solve for x
    x = 59,472,770,209.82/272,730.02
  6. Step 6: Final answer
    x = 218,064.63

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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.