Home / 293,828.40-440,742.60-127,940.40

Finding the Fourth Proportional to 293,828.40, 440,742.60 and 127,940.40

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Solution

The fourth proportional to 293,828.40, 440,742.60 and 127,940.40 is: 191,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,828.40 : 440,742.60 = 127,940.40 : x
  2. Step 2: Convert to fraction form
    293,828.40/440,742.60 = 127,940.40/x
  3. Step 3: Cross multiply
    293,828.40x = 440,742.60 × 127,940.40
  4. Step 4: Simplify right side
    293,828.40x = 56,388,784,541.04
  5. Step 5: Solve for x
    x = 56,388,784,541.04/293,828.40
  6. Step 6: Final answer
    x = 191,910.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.