Home / 141,056.72-194,664.36-84,457.28

Finding the Fourth Proportional to 141,056.72, 194,664.36 and 84,457.28

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Solution

The fourth proportional to 141,056.72, 194,664.36 and 84,457.28 is: 116,554.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,056.72 : 194,664.36 = 84,457.28 : x
  2. Step 2: Convert to fraction form
    141,056.72/194,664.36 = 84,457.28/x
  3. Step 3: Cross multiply
    141,056.72x = 194,664.36 × 84,457.28
  4. Step 4: Simplify right side
    141,056.72x = 16,440,822,358.54
  5. Step 5: Solve for x
    x = 16,440,822,358.54/141,056.72
  6. Step 6: Final answer
    x = 116,554.69

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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.