Home / 386,935.44-580,388.04-106,445.04

Finding the Fourth Proportional to 386,935.44, 580,388.04 and 106,445.04

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Solution

The fourth proportional to 386,935.44, 580,388.04 and 106,445.04 is: 159,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,935.44 : 580,388.04 = 106,445.04 : x
  2. Step 2: Convert to fraction form
    386,935.44/580,388.04 = 106,445.04/x
  3. Step 3: Cross multiply
    386,935.44x = 580,388.04 × 106,445.04
  4. Step 4: Simplify right side
    386,935.44x = 61,779,428,133.32
  5. Step 5: Solve for x
    x = 61,779,428,133.32/386,935.44
  6. Step 6: Final answer
    x = 159,663.40

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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.