Home / 127,283.85-190,926.30-43,044.45

Finding the Fourth Proportional to 127,283.85, 190,926.30 and 43,044.45

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Solution

The fourth proportional to 127,283.85, 190,926.30 and 43,044.45 is: 64,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,283.85 : 190,926.30 = 43,044.45 : x
  2. Step 2: Convert to fraction form
    127,283.85/190,926.30 = 43,044.45/x
  3. Step 3: Cross multiply
    127,283.85x = 190,926.30 × 43,044.45
  4. Step 4: Simplify right side
    127,283.85x = 8,218,317,574.04
  5. Step 5: Solve for x
    x = 8,218,317,574.04/127,283.85
  6. Step 6: Final answer
    x = 64,566.85

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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.