Home / 127,104.58-190,707.09-48,239.74

Finding the Fourth Proportional to 127,104.58, 190,707.09 and 48,239.74

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Solution

The fourth proportional to 127,104.58, 190,707.09 and 48,239.74 is: 72,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104.58 : 190,707.09 = 48,239.74 : x
  2. Step 2: Convert to fraction form
    127,104.58/190,707.09 = 48,239.74/x
  3. Step 3: Cross multiply
    127,104.58x = 190,707.09 × 48,239.74
  4. Step 4: Simplify right side
    127,104.58x = 9,199,660,437.76
  5. Step 5: Solve for x
    x = 9,199,660,437.76/127,104.58
  6. Step 6: Final answer
    x = 72,378.67

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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.