Home / 133,617.89-184,411.03-81,925.84

Finding the Fourth Proportional to 133,617.89, 184,411.03 and 81,925.84

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Solution

The fourth proportional to 133,617.89, 184,411.03 and 81,925.84 is: 113,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,617.89 : 184,411.03 = 81,925.84 : x
  2. Step 2: Convert to fraction form
    133,617.89/184,411.03 = 81,925.84/x
  3. Step 3: Cross multiply
    133,617.89x = 184,411.03 × 81,925.84
  4. Step 4: Simplify right side
    133,617.89x = 15,108,028,717.33
  5. Step 5: Solve for x
    x = 15,108,028,717.33/133,617.89
  6. Step 6: Final answer
    x = 113,068.91

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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.