Home / 285,032.06-393,172.89-188,236.81

Finding the Fourth Proportional to 285,032.06, 393,172.89 and 188,236.81

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Solution

The fourth proportional to 285,032.06, 393,172.89 and 188,236.81 is: 259,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,032.06 : 393,172.89 = 188,236.81 : x
  2. Step 2: Convert to fraction form
    285,032.06/393,172.89 = 188,236.81/x
  3. Step 3: Cross multiply
    285,032.06x = 393,172.89 × 188,236.81
  4. Step 4: Simplify right side
    285,032.06x = 74,009,610,592.08
  5. Step 5: Solve for x
    x = 74,009,610,592.08/285,032.06
  6. Step 6: Final answer
    x = 259,653.64

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1.5x scale

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.