Home / 152,621.25-210,617.93-84,644.54

Finding the Fourth Proportional to 152,621.25, 210,617.93 and 84,644.54

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Solution

The fourth proportional to 152,621.25, 210,617.93 and 84,644.54 is: 116,809.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,621.25 : 210,617.93 = 84,644.54 : x
  2. Step 2: Convert to fraction form
    152,621.25/210,617.93 = 84,644.54/x
  3. Step 3: Cross multiply
    152,621.25x = 210,617.93 × 84,644.54
  4. Step 4: Simplify right side
    152,621.25x = 17,827,656,324.29
  5. Step 5: Solve for x
    x = 17,827,656,324.29/152,621.25
  6. Step 6: Final answer
    x = 116,809.79

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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.