Home / 166,667.35-229,999.32-90,184.77

Finding the Fourth Proportional to 166,667.35, 229,999.32 and 90,184.77

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Solution

The fourth proportional to 166,667.35, 229,999.32 and 90,184.77 is: 124,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,667.35 : 229,999.32 = 90,184.77 : x
  2. Step 2: Convert to fraction form
    166,667.35/229,999.32 = 90,184.77/x
  3. Step 3: Cross multiply
    166,667.35x = 229,999.32 × 90,184.77
  4. Step 4: Simplify right side
    166,667.35x = 20,742,435,774.36
  5. Step 5: Solve for x
    x = 20,742,435,774.36/166,667.35
  6. Step 6: Final answer
    x = 124,454.10

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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.