Home / 133,557.04-184,433.79-85,893.40

Finding the Fourth Proportional to 133,557.04, 184,433.79 and 85,893.40

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Solution

The fourth proportional to 133,557.04, 184,433.79 and 85,893.40 is: 118,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,557.04 : 184,433.79 = 85,893.40 : x
  2. Step 2: Convert to fraction form
    133,557.04/184,433.79 = 85,893.40/x
  3. Step 3: Cross multiply
    133,557.04x = 184,433.79 × 85,893.40
  4. Step 4: Simplify right side
    133,557.04x = 15,841,645,297.99
  5. Step 5: Solve for x
    x = 15,841,645,297.99/133,557.04
  6. Step 6: Final answer
    x = 118,613.33

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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.