Home / 319,840.03-441,405.21-183,918.16

Finding the Fourth Proportional to 319,840.03, 441,405.21 and 183,918.16

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Solution

The fourth proportional to 319,840.03, 441,405.21 and 183,918.16 is: 253,821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,840.03 : 441,405.21 = 183,918.16 : x
  2. Step 2: Convert to fraction form
    319,840.03/441,405.21 = 183,918.16/x
  3. Step 3: Cross multiply
    319,840.03x = 441,405.21 × 183,918.16
  4. Step 4: Simplify right side
    319,840.03x = 81,182,434,037.61
  5. Step 5: Solve for x
    x = 81,182,434,037.61/319,840.03
  6. Step 6: Final answer
    x = 253,821.99

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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.