Home / 127,106.28-190,636.74-47,134.98

Finding the Fourth Proportional to 127,106.28, 190,636.74 and 47,134.98

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Solution

The fourth proportional to 127,106.28, 190,636.74 and 47,134.98 is: 70,694.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,106.28 : 190,636.74 = 47,134.98 : x
  2. Step 2: Convert to fraction form
    127,106.28/190,636.74 = 47,134.98/x
  3. Step 3: Cross multiply
    127,106.28x = 190,636.74 × 47,134.98
  4. Step 4: Simplify right side
    127,106.28x = 8,985,658,927.17
  5. Step 5: Solve for x
    x = 8,985,658,927.17/127,106.28
  6. Step 6: Final answer
    x = 70,694.06

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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.