Home / 294,582.51-406,541.29-221,857.13

Finding the Fourth Proportional to 294,582.51, 406,541.29 and 221,857.13

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Solution

The fourth proportional to 294,582.51, 406,541.29 and 221,857.13 is: 306,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,582.51 : 406,541.29 = 221,857.13 : x
  2. Step 2: Convert to fraction form
    294,582.51/406,541.29 = 221,857.13/x
  3. Step 3: Cross multiply
    294,582.51x = 406,541.29 × 221,857.13
  4. Step 4: Simplify right side
    294,582.51x = 90,194,083,507.92
  5. Step 5: Solve for x
    x = 90,194,083,507.92/294,582.51
  6. Step 6: Final answer
    x = 306,175.96

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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.