Home / 133,857.32-184,719.88-73,427.40

Finding the Fourth Proportional to 133,857.32, 184,719.88 and 73,427.40

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Solution

The fourth proportional to 133,857.32, 184,719.88 and 73,427.40 is: 101,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,857.32 : 184,719.88 = 73,427.40 : x
  2. Step 2: Convert to fraction form
    133,857.32/184,719.88 = 73,427.40/x
  3. Step 3: Cross multiply
    133,857.32x = 184,719.88 × 73,427.40
  4. Step 4: Simplify right side
    133,857.32x = 13,563,500,516.71
  5. Step 5: Solve for x
    x = 13,563,500,516.71/133,857.32
  6. Step 6: Final answer
    x = 101,328.04

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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.