Home / 319,359.02-440,700.62-183,297.21

Finding the Fourth Proportional to 319,359.02, 440,700.62 and 183,297.21

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Solution

The fourth proportional to 319,359.02, 440,700.62 and 183,297.21 is: 252,941.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,359.02 : 440,700.62 = 183,297.21 : x
  2. Step 2: Convert to fraction form
    319,359.02/440,700.62 = 183,297.21/x
  3. Step 3: Cross multiply
    319,359.02x = 440,700.62 × 183,297.21
  4. Step 4: Simplify right side
    319,359.02x = 80,779,193,174.78
  5. Step 5: Solve for x
    x = 80,779,193,174.78/319,359.02
  6. Step 6: Final answer
    x = 252,941.64

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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.