Home / 243,111.02-364,653.35-74,631.38

Finding the Fourth Proportional to 243,111.02, 364,653.35 and 74,631.38

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Solution

The fourth proportional to 243,111.02, 364,653.35 and 74,631.38 is: 111,943.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,111.02 : 364,653.35 = 74,631.38 : x
  2. Step 2: Convert to fraction form
    243,111.02/364,653.35 = 74,631.38/x
  3. Step 3: Cross multiply
    243,111.02x = 364,653.35 × 74,631.38
  4. Step 4: Simplify right side
    243,111.02x = 27,214,582,732.12
  5. Step 5: Solve for x
    x = 27,214,582,732.12/243,111.02
  6. Step 6: Final answer
    x = 111,943.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.