Home / 133,712.98-184,522.35-72,457.94

Finding the Fourth Proportional to 133,712.98, 184,522.35 and 72,457.94

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Solution

The fourth proportional to 133,712.98, 184,522.35 and 72,457.94 is: 99,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,712.98 : 184,522.35 = 72,457.94 : x
  2. Step 2: Convert to fraction form
    133,712.98/184,522.35 = 72,457.94/x
  3. Step 3: Cross multiply
    133,712.98x = 184,522.35 × 72,457.94
  4. Step 4: Simplify right side
    133,712.98x = 13,370,110,097.98
  5. Step 5: Solve for x
    x = 13,370,110,097.98/133,712.98
  6. Step 6: Final answer
    x = 99,991.12

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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.