Home / 190,597.51-285,823.31-64,203.79

Finding the Fourth Proportional to 190,597.51, 285,823.31 and 64,203.79

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Solution

The fourth proportional to 190,597.51, 285,823.31 and 64,203.79 is: 96,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,597.51 : 285,823.31 = 64,203.79 : x
  2. Step 2: Convert to fraction form
    190,597.51/285,823.31 = 64,203.79/x
  3. Step 3: Cross multiply
    190,597.51x = 285,823.31 × 64,203.79
  4. Step 4: Simplify right side
    190,597.51x = 18,350,938,736.77
  5. Step 5: Solve for x
    x = 18,350,938,736.77/190,597.51
  6. Step 6: Final answer
    x = 96,281.11

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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.