Home / 127,151.12-190,744.50-38,394.56

Finding the Fourth Proportional to 127,151.12, 190,744.50 and 38,394.56

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Solution

The fourth proportional to 127,151.12, 190,744.50 and 38,394.56 is: 57,597.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,151.12 : 190,744.50 = 38,394.56 : x
  2. Step 2: Convert to fraction form
    127,151.12/190,744.50 = 38,394.56/x
  3. Step 3: Cross multiply
    127,151.12x = 190,744.50 × 38,394.56
  4. Step 4: Simplify right side
    127,151.12x = 7,323,551,149.92
  5. Step 5: Solve for x
    x = 7,323,551,149.92/127,151.12
  6. Step 6: Final answer
    x = 57,597.22

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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.