Home / 127,386.54-191,068.07-43,137.02

Finding the Fourth Proportional to 127,386.54, 191,068.07 and 43,137.02

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Solution

The fourth proportional to 127,386.54, 191,068.07 and 43,137.02 is: 64,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,386.54 : 191,068.07 = 43,137.02 : x
  2. Step 2: Convert to fraction form
    127,386.54/191,068.07 = 43,137.02/x
  3. Step 3: Cross multiply
    127,386.54x = 191,068.07 × 43,137.02
  4. Step 4: Simplify right side
    127,386.54x = 8,242,107,418.94
  5. Step 5: Solve for x
    x = 8,242,107,418.94/127,386.54
  6. Step 6: Final answer
    x = 64,701.56

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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.