Home / 127,996.68-176,634.18-70,636.53

Finding the Fourth Proportional to 127,996.68, 176,634.18 and 70,636.53

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Solution

The fourth proportional to 127,996.68, 176,634.18 and 70,636.53 is: 97,477.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,996.68 : 176,634.18 = 70,636.53 : x
  2. Step 2: Convert to fraction form
    127,996.68/176,634.18 = 70,636.53/x
  3. Step 3: Cross multiply
    127,996.68x = 176,634.18 × 70,636.53
  4. Step 4: Simplify right side
    127,996.68x = 12,476,825,554.60
  5. Step 5: Solve for x
    x = 12,476,825,554.60/127,996.68
  6. Step 6: Final answer
    x = 97,477.73

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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.