Home / 133,918.10-184,809.76-73,485.21

Finding the Fourth Proportional to 133,918.10, 184,809.76 and 73,485.21

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Solution

The fourth proportional to 133,918.10, 184,809.76 and 73,485.21 is: 101,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,918.10 : 184,809.76 = 73,485.21 : x
  2. Step 2: Convert to fraction form
    133,918.10/184,809.76 = 73,485.21/x
  3. Step 3: Cross multiply
    133,918.10x = 184,809.76 × 73,485.21
  4. Step 4: Simplify right side
    133,918.10x = 13,580,783,839.94
  5. Step 5: Solve for x
    x = 13,580,783,839.94/133,918.10
  6. Step 6: Final answer
    x = 101,411.12

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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.