Home / 127,152.88-190,720.86-52,253.62

Finding the Fourth Proportional to 127,152.88, 190,720.86 and 52,253.62

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Solution

The fourth proportional to 127,152.88, 190,720.86 and 52,253.62 is: 78,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,152.88 : 190,720.86 = 52,253.62 : x
  2. Step 2: Convert to fraction form
    127,152.88/190,720.86 = 52,253.62/x
  3. Step 3: Cross multiply
    127,152.88x = 190,720.86 × 52,253.62
  4. Step 4: Simplify right side
    127,152.88x = 9,965,855,344.51
  5. Step 5: Solve for x
    x = 9,965,855,344.51/127,152.88
  6. Step 6: Final answer
    x = 78,376.95

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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.