Home / 217,123.40-325,203.89-166,833.32

Finding the Fourth Proportional to 217,123.40, 325,203.89 and 166,833.32

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Solution

The fourth proportional to 217,123.40, 325,203.89 and 166,833.32 is: 249,880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,123.40 : 325,203.89 = 166,833.32 : x
  2. Step 2: Convert to fraction form
    217,123.40/325,203.89 = 166,833.32/x
  3. Step 3: Cross multiply
    217,123.40x = 325,203.89 × 166,833.32
  4. Step 4: Simplify right side
    217,123.40x = 54,254,843,019.60
  5. Step 5: Solve for x
    x = 54,254,843,019.60/217,123.40
  6. Step 6: Final answer
    x = 249,880.23

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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.