Home / 127,528.70-191,074.35-83,132.60

Finding the Fourth Proportional to 127,528.70, 191,074.35 and 83,132.60

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Solution

The fourth proportional to 127,528.70, 191,074.35 and 83,132.60 is: 124,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,528.70 : 191,074.35 = 83,132.60 : x
  2. Step 2: Convert to fraction form
    127,528.70/191,074.35 = 83,132.60/x
  3. Step 3: Cross multiply
    127,528.70x = 191,074.35 × 83,132.60
  4. Step 4: Simplify right side
    127,528.70x = 15,884,507,508.81
  5. Step 5: Solve for x
    x = 15,884,507,508.81/127,528.70
  6. Step 6: Final answer
    x = 124,556.34

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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.