Home / 127,302.72-190,956-44,199.36

Finding the Fourth Proportional to 127,302.72, 190,956 and 44,199.36

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Solution

The fourth proportional to 127,302.72, 190,956 and 44,199.36 is: 66,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,302.72 : 190,956 = 44,199.36 : x
  2. Step 2: Convert to fraction form
    127,302.72/190,956 = 44,199.36/x
  3. Step 3: Cross multiply
    127,302.72x = 190,956 × 44,199.36
  4. Step 4: Simplify right side
    127,302.72x = 8,440,132,988.16
  5. Step 5: Solve for x
    x = 8,440,132,988.16/127,302.72
  6. Step 6: Final answer
    x = 66,299.71

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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.