Home / 127,936.40-191,904.60-112,384.40

Finding the Fourth Proportional to 127,936.40, 191,904.60 and 112,384.40

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Solution

The fourth proportional to 127,936.40, 191,904.60 and 112,384.40 is: 168,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,936.40 : 191,904.60 = 112,384.40 : x
  2. Step 2: Convert to fraction form
    127,936.40/191,904.60 = 112,384.40/x
  3. Step 3: Cross multiply
    127,936.40x = 191,904.60 × 112,384.40
  4. Step 4: Simplify right side
    127,936.40x = 21,567,083,328.24
  5. Step 5: Solve for x
    x = 21,567,083,328.24/127,936.40
  6. Step 6: Final answer
    x = 168,576.60

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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.