Home / 127,584.44-176,047.80-76,586.36

Finding the Fourth Proportional to 127,584.44, 176,047.80 and 76,586.36

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Solution

The fourth proportional to 127,584.44, 176,047.80 and 76,586.36 is: 105,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584.44 : 176,047.80 = 76,586.36 : x
  2. Step 2: Convert to fraction form
    127,584.44/176,047.80 = 76,586.36/x
  3. Step 3: Cross multiply
    127,584.44x = 176,047.80 × 76,586.36
  4. Step 4: Simplify right side
    127,584.44x = 13,482,860,188.01
  5. Step 5: Solve for x
    x = 13,482,860,188.01/127,584.44
  6. Step 6: Final answer
    x = 105,677.94

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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.