Home / 158,500.11-218,752.56-98,090.22

Finding the Fourth Proportional to 158,500.11, 218,752.56 and 98,090.22

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Solution

The fourth proportional to 158,500.11, 218,752.56 and 98,090.22 is: 135,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,500.11 : 218,752.56 = 98,090.22 : x
  2. Step 2: Convert to fraction form
    158,500.11/218,752.56 = 98,090.22/x
  3. Step 3: Cross multiply
    158,500.11x = 218,752.56 × 98,090.22
  4. Step 4: Simplify right side
    158,500.11x = 21,457,486,735.96
  5. Step 5: Solve for x
    x = 21,457,486,735.96/158,500.11
  6. Step 6: Final answer
    x = 135,378.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.