Home / 110,209.29-152,174.64-84,675.15

Finding the Fourth Proportional to 110,209.29, 152,174.64 and 84,675.15

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Solution

The fourth proportional to 110,209.29, 152,174.64 and 84,675.15 is: 116,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,209.29 : 152,174.64 = 84,675.15 : x
  2. Step 2: Convert to fraction form
    110,209.29/152,174.64 = 84,675.15/x
  3. Step 3: Cross multiply
    110,209.29x = 152,174.64 × 84,675.15
  4. Step 4: Simplify right side
    110,209.29x = 12,885,410,468.20
  5. Step 5: Solve for x
    x = 12,885,410,468.20/110,209.29
  6. Step 6: Final answer
    x = 116,917.64

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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.