Home / 127,000.71-190,532.75-89,633.78

Finding the Fourth Proportional to 127,000.71, 190,532.75 and 89,633.78

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Solution

The fourth proportional to 127,000.71, 190,532.75 and 89,633.78 is: 134,473.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,000.71 : 190,532.75 = 89,633.78 : x
  2. Step 2: Convert to fraction form
    127,000.71/190,532.75 = 89,633.78/x
  3. Step 3: Cross multiply
    127,000.71x = 190,532.75 × 89,633.78
  4. Step 4: Simplify right side
    127,000.71x = 17,078,170,596.30
  5. Step 5: Solve for x
    x = 17,078,170,596.30/127,000.71
  6. Step 6: Final answer
    x = 134,473.03

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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.