Home / 319,359.17-440,700.80-183,297.35

Finding the Fourth Proportional to 319,359.17, 440,700.80 and 183,297.35

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Solution

The fourth proportional to 319,359.17, 440,700.80 and 183,297.35 is: 252,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,359.17 : 440,700.80 = 183,297.35 : x
  2. Step 2: Convert to fraction form
    319,359.17/440,700.80 = 183,297.35/x
  3. Step 3: Cross multiply
    319,359.17x = 440,700.80 × 183,297.35
  4. Step 4: Simplify right side
    319,359.17x = 80,779,288,968.15
  5. Step 5: Solve for x
    x = 80,779,288,968.15/319,359.17
  6. Step 6: Final answer
    x = 252,941.82

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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.