Home / 215,667.12-297,535.77-144,093.90

Finding the Fourth Proportional to 215,667.12, 297,535.77 and 144,093.90

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Solution

The fourth proportional to 215,667.12, 297,535.77 and 144,093.90 is: 198,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,667.12 : 297,535.77 = 144,093.90 : x
  2. Step 2: Convert to fraction form
    215,667.12/297,535.77 = 144,093.90/x
  3. Step 3: Cross multiply
    215,667.12x = 297,535.77 × 144,093.90
  4. Step 4: Simplify right side
    215,667.12x = 42,873,089,488.80
  5. Step 5: Solve for x
    x = 42,873,089,488.80/215,667.12
  6. Step 6: Final answer
    x = 198,792.89

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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.