Home / 127,655.30-176,162.83-70,293.43

Finding the Fourth Proportional to 127,655.30, 176,162.83 and 70,293.43

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Solution

The fourth proportional to 127,655.30, 176,162.83 and 70,293.43 is: 97,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,655.30 : 176,162.83 = 70,293.43 : x
  2. Step 2: Convert to fraction form
    127,655.30/176,162.83 = 70,293.43/x
  3. Step 3: Cross multiply
    127,655.30x = 176,162.83 × 70,293.43
  4. Step 4: Simplify right side
    127,655.30x = 12,383,089,603.68
  5. Step 5: Solve for x
    x = 12,383,089,603.68/127,655.30
  6. Step 6: Final answer
    x = 97,004.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.