Home / 111,017.09-166,567.46-66,674.76

Finding the Fourth Proportional to 111,017.09, 166,567.46 and 66,674.76

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Solution

The fourth proportional to 111,017.09, 166,567.46 and 66,674.76 is: 100,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,017.09 : 166,567.46 = 66,674.76 : x
  2. Step 2: Convert to fraction form
    111,017.09/166,567.46 = 66,674.76/x
  3. Step 3: Cross multiply
    111,017.09x = 166,567.46 × 66,674.76
  4. Step 4: Simplify right side
    111,017.09x = 11,105,845,085.94
  5. Step 5: Solve for x
    x = 11,105,845,085.94/111,017.09
  6. Step 6: Final answer
    x = 100,037.25

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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.