Home / 120,567.65-166,265.03-111,032.33

Finding the Fourth Proportional to 120,567.65, 166,265.03 and 111,032.33

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Solution

The fourth proportional to 120,567.65, 166,265.03 and 111,032.33 is: 153,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,567.65 : 166,265.03 = 111,032.33 : x
  2. Step 2: Convert to fraction form
    120,567.65/166,265.03 = 111,032.33/x
  3. Step 3: Cross multiply
    120,567.65x = 166,265.03 × 111,032.33
  4. Step 4: Simplify right side
    120,567.65x = 18,460,794,371.66
  5. Step 5: Solve for x
    x = 18,460,794,371.66/120,567.65
  6. Step 6: Final answer
    x = 153,115.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.