Home / 290,799.04-401,323.80-177,643.12

Finding the Fourth Proportional to 290,799.04, 401,323.80 and 177,643.12

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Solution

The fourth proportional to 290,799.04, 401,323.80 and 177,643.12 is: 245,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,799.04 : 401,323.80 = 177,643.12 : x
  2. Step 2: Convert to fraction form
    290,799.04/401,323.80 = 177,643.12/x
  3. Step 3: Cross multiply
    290,799.04x = 401,323.80 × 177,643.12
  4. Step 4: Simplify right side
    290,799.04x = 71,292,411,962.26
  5. Step 5: Solve for x
    x = 71,292,411,962.26/290,799.04
  6. Step 6: Final answer
    x = 245,160.41

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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.