Home / 166,417.40-249,626.10-73,105.40

Finding the Fourth Proportional to 166,417.40, 249,626.10 and 73,105.40

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Solution

The fourth proportional to 166,417.40, 249,626.10 and 73,105.40 is: 109,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,417.40 : 249,626.10 = 73,105.40 : x
  2. Step 2: Convert to fraction form
    166,417.40/249,626.10 = 73,105.40/x
  3. Step 3: Cross multiply
    166,417.40x = 249,626.10 × 73,105.40
  4. Step 4: Simplify right side
    166,417.40x = 18,249,015,890.94
  5. Step 5: Solve for x
    x = 18,249,015,890.94/166,417.40
  6. Step 6: Final answer
    x = 109,658.10

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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.