Home / 217,761.93-326,681.37-99,445.23

Finding the Fourth Proportional to 217,761.93, 326,681.37 and 99,445.23

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Solution

The fourth proportional to 217,761.93, 326,681.37 and 99,445.23 is: 149,185.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,761.93 : 326,681.37 = 99,445.23 : x
  2. Step 2: Convert to fraction form
    217,761.93/326,681.37 = 99,445.23/x
  3. Step 3: Cross multiply
    217,761.93x = 326,681.37 × 99,445.23
  4. Step 4: Simplify right side
    217,761.93x = 32,486,903,976.37
  5. Step 5: Solve for x
    x = 32,486,903,976.37/217,761.93
  6. Step 6: Final answer
    x = 149,185.42

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1.5x scale

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.