Home / 127,400.40-191,100.60-113,622.30

Finding the Fourth Proportional to 127,400.40, 191,100.60 and 113,622.30

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Solution

The fourth proportional to 127,400.40, 191,100.60 and 113,622.30 is: 170,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,400.40 : 191,100.60 = 113,622.30 : x
  2. Step 2: Convert to fraction form
    127,400.40/191,100.60 = 113,622.30/x
  3. Step 3: Cross multiply
    127,400.40x = 191,100.60 × 113,622.30
  4. Step 4: Simplify right side
    127,400.40x = 21,713,289,703.38
  5. Step 5: Solve for x
    x = 21,713,289,703.38/127,400.40
  6. Step 6: Final answer
    x = 170,433.45

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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.