Home / 133,762.05-184,440.47-85,299.21

Finding the Fourth Proportional to 133,762.05, 184,440.47 and 85,299.21

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Solution

The fourth proportional to 133,762.05, 184,440.47 and 85,299.21 is: 117,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,762.05 : 184,440.47 = 85,299.21 : x
  2. Step 2: Convert to fraction form
    133,762.05/184,440.47 = 85,299.21/x
  3. Step 3: Cross multiply
    133,762.05x = 184,440.47 × 85,299.21
  4. Step 4: Simplify right side
    133,762.05x = 15,732,625,956.53
  5. Step 5: Solve for x
    x = 15,732,625,956.53/133,762.05
  6. Step 6: Final answer
    x = 117,616.51

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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.