Home / 127,080.45-190,496.72-60,502.70

Finding the Fourth Proportional to 127,080.45, 190,496.72 and 60,502.70

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Solution

The fourth proportional to 127,080.45, 190,496.72 and 60,502.70 is: 90,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,080.45 : 190,496.72 = 60,502.70 : x
  2. Step 2: Convert to fraction form
    127,080.45/190,496.72 = 60,502.70/x
  3. Step 3: Cross multiply
    127,080.45x = 190,496.72 × 60,502.70
  4. Step 4: Simplify right side
    127,080.45x = 11,525,564,646.15
  5. Step 5: Solve for x
    x = 11,525,564,646.15/127,080.45
  6. Step 6: Final answer
    x = 90,695.03

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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.