Home / 166,455.10-249,869.23-66,684.84

Finding the Fourth Proportional to 166,455.10, 249,869.23 and 66,684.84

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Solution

The fourth proportional to 166,455.10, 249,869.23 and 66,684.84 is: 100,102.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,455.10 : 249,869.23 = 66,684.84 : x
  2. Step 2: Convert to fraction form
    166,455.10/249,869.23 = 66,684.84/x
  3. Step 3: Cross multiply
    166,455.10x = 249,869.23 × 66,684.84
  4. Step 4: Simplify right side
    166,455.10x = 16,662,490,815.57
  5. Step 5: Solve for x
    x = 16,662,490,815.57/166,455.10
  6. Step 6: Final answer
    x = 100,102.01

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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.