Home / 227,116.80-340,511.18-127,307.60

Finding the Fourth Proportional to 227,116.80, 340,511.18 and 127,307.60

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Solution

The fourth proportional to 227,116.80, 340,511.18 and 127,307.60 is: 190,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,116.80 : 340,511.18 = 127,307.60 : x
  2. Step 2: Convert to fraction form
    227,116.80/340,511.18 = 127,307.60/x
  3. Step 3: Cross multiply
    227,116.80x = 340,511.18 × 127,307.60
  4. Step 4: Simplify right side
    227,116.80x = 43,349,658,759.87
  5. Step 5: Solve for x
    x = 43,349,658,759.87/227,116.80
  6. Step 6: Final answer
    x = 190,869.45

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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.