Home / 193,585.32-290,253.96-75,159.36

Finding the Fourth Proportional to 193,585.32, 290,253.96 and 75,159.36

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Solution

The fourth proportional to 193,585.32, 290,253.96 and 75,159.36 is: 112,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,585.32 : 290,253.96 = 75,159.36 : x
  2. Step 2: Convert to fraction form
    193,585.32/290,253.96 = 75,159.36/x
  3. Step 3: Cross multiply
    193,585.32x = 290,253.96 × 75,159.36
  4. Step 4: Simplify right side
    193,585.32x = 21,815,301,871.07
  5. Step 5: Solve for x
    x = 21,815,301,871.07/193,585.32
  6. Step 6: Final answer
    x = 112,690.89

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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.