Home / 290,841.84-401,227.02-169,988.22

Finding the Fourth Proportional to 290,841.84, 401,227.02 and 169,988.22

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Solution

The fourth proportional to 290,841.84, 401,227.02 and 169,988.22 is: 234,505.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,841.84 : 401,227.02 = 169,988.22 : x
  2. Step 2: Convert to fraction form
    290,841.84/401,227.02 = 169,988.22/x
  3. Step 3: Cross multiply
    290,841.84x = 401,227.02 × 169,988.22
  4. Step 4: Simplify right side
    290,841.84x = 68,203,866,945.70
  5. Step 5: Solve for x
    x = 68,203,866,945.70/290,841.84
  6. Step 6: Final answer
    x = 234,505.00

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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.