Home / 127,108.01-190,663.29-38,362.25

Finding the Fourth Proportional to 127,108.01, 190,663.29 and 38,362.25

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Solution

The fourth proportional to 127,108.01, 190,663.29 and 38,362.25 is: 57,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,108.01 : 190,663.29 = 38,362.25 : x
  2. Step 2: Convert to fraction form
    127,108.01/190,663.29 = 38,362.25/x
  3. Step 3: Cross multiply
    127,108.01x = 190,663.29 × 38,362.25
  4. Step 4: Simplify right side
    127,108.01x = 7,314,271,843.49
  5. Step 5: Solve for x
    x = 7,314,271,843.49/127,108.01
  6. Step 6: Final answer
    x = 57,543.75

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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.