Home / 133,438.16-184,267.14-85,774.52

Finding the Fourth Proportional to 133,438.16, 184,267.14 and 85,774.52

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Solution

The fourth proportional to 133,438.16, 184,267.14 and 85,774.52 is: 118,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,438.16 : 184,267.14 = 85,774.52 : x
  2. Step 2: Convert to fraction form
    133,438.16/184,267.14 = 85,774.52/x
  3. Step 3: Cross multiply
    133,438.16x = 184,267.14 × 85,774.52
  4. Step 4: Simplify right side
    133,438.16x = 15,805,425,485.27
  5. Step 5: Solve for x
    x = 15,805,425,485.27/133,438.16
  6. Step 6: Final answer
    x = 118,447.57

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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.