Home / 130,116.51-179,540.96-73,507.23

Finding the Fourth Proportional to 130,116.51, 179,540.96 and 73,507.23

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Solution

The fourth proportional to 130,116.51, 179,540.96 and 73,507.23 is: 101,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,116.51 : 179,540.96 = 73,507.23 : x
  2. Step 2: Convert to fraction form
    130,116.51/179,540.96 = 73,507.23/x
  3. Step 3: Cross multiply
    130,116.51x = 179,540.96 × 73,507.23
  4. Step 4: Simplify right side
    130,116.51x = 13,197,558,273.60
  5. Step 5: Solve for x
    x = 13,197,558,273.60/130,116.51
  6. Step 6: Final answer
    x = 101,428.78

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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.