Home / 127,127.52-190,719.63-41,742.18

Finding the Fourth Proportional to 127,127.52, 190,719.63 and 41,742.18

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Solution

The fourth proportional to 127,127.52, 190,719.63 and 41,742.18 is: 62,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,127.52 : 190,719.63 = 41,742.18 : x
  2. Step 2: Convert to fraction form
    127,127.52/190,719.63 = 41,742.18/x
  3. Step 3: Cross multiply
    127,127.52x = 190,719.63 × 41,742.18
  4. Step 4: Simplify right side
    127,127.52x = 7,961,053,124.99
  5. Step 5: Solve for x
    x = 7,961,053,124.99/127,127.52
  6. Step 6: Final answer
    x = 62,622.58

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1.5x scale

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.