Home / 319,012.61-440,247.38-183,071.43

Finding the Fourth Proportional to 319,012.61, 440,247.38 and 183,071.43

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Solution

The fourth proportional to 319,012.61, 440,247.38 and 183,071.43 is: 252,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,012.61 : 440,247.38 = 183,071.43 : x
  2. Step 2: Convert to fraction form
    319,012.61/440,247.38 = 183,071.43/x
  3. Step 3: Cross multiply
    319,012.61x = 440,247.38 × 183,071.43
  4. Step 4: Simplify right side
    319,012.61x = 80,596,716,495.00
  5. Step 5: Solve for x
    x = 80,596,716,495.00/319,012.61
  6. Step 6: Final answer
    x = 252,644.30

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1.5x scale

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.