Home / 166,990.51-249,568.93-122,106.39

Finding the Fourth Proportional to 166,990.51, 249,568.93 and 122,106.39

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Solution

The fourth proportional to 166,990.51, 249,568.93 and 122,106.39 is: 182,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,990.51 : 249,568.93 = 122,106.39 : x
  2. Step 2: Convert to fraction form
    166,990.51/249,568.93 = 122,106.39/x
  3. Step 3: Cross multiply
    166,990.51x = 249,568.93 × 122,106.39
  4. Step 4: Simplify right side
    166,990.51x = 30,473,961,098.46
  5. Step 5: Solve for x
    x = 30,473,961,098.46/166,990.51
  6. Step 6: Final answer
    x = 182,489.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.