Home / 127,008.68-190,513.06-38,262.20

Finding the Fourth Proportional to 127,008.68, 190,513.06 and 38,262.20

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Solution

The fourth proportional to 127,008.68, 190,513.06 and 38,262.20 is: 57,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,008.68 : 190,513.06 = 38,262.20 : x
  2. Step 2: Convert to fraction form
    127,008.68/190,513.06 = 38,262.20/x
  3. Step 3: Cross multiply
    127,008.68x = 190,513.06 × 38,262.20
  4. Step 4: Simplify right side
    127,008.68x = 7,289,447,756.11
  5. Step 5: Solve for x
    x = 7,289,447,756.11/127,008.68
  6. Step 6: Final answer
    x = 57,393.31

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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.