Home / 438,317.06-657,541.31-153,957.47

Finding the Fourth Proportional to 438,317.06, 657,541.31 and 153,957.47

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Solution

The fourth proportional to 438,317.06, 657,541.31 and 153,957.47 is: 230,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,317.06 : 657,541.31 = 153,957.47 : x
  2. Step 2: Convert to fraction form
    438,317.06/657,541.31 = 153,957.47/x
  3. Step 3: Cross multiply
    438,317.06x = 657,541.31 × 153,957.47
  4. Step 4: Simplify right side
    438,317.06x = 101,233,396,508.09
  5. Step 5: Solve for x
    x = 101,233,396,508.09/438,317.06
  6. Step 6: Final answer
    x = 230,959.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.