Home / 294,075.83-405,823.80-163,273.45

Finding the Fourth Proportional to 294,075.83, 405,823.80 and 163,273.45

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Solution

The fourth proportional to 294,075.83, 405,823.80 and 163,273.45 is: 225,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,075.83 : 405,823.80 = 163,273.45 : x
  2. Step 2: Convert to fraction form
    294,075.83/405,823.80 = 163,273.45/x
  3. Step 3: Cross multiply
    294,075.83x = 405,823.80 × 163,273.45
  4. Step 4: Simplify right side
    294,075.83x = 66,260,251,918.11
  5. Step 5: Solve for x
    x = 66,260,251,918.11/294,075.83
  6. Step 6: Final answer
    x = 225,316.90

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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.