Home / 130,110.56-179,453.48-111,992.10

Finding the Fourth Proportional to 130,110.56, 179,453.48 and 111,992.10

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Solution

The fourth proportional to 130,110.56, 179,453.48 and 111,992.10 is: 154,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,110.56 : 179,453.48 = 111,992.10 : x
  2. Step 2: Convert to fraction form
    130,110.56/179,453.48 = 111,992.10/x
  3. Step 3: Cross multiply
    130,110.56x = 179,453.48 × 111,992.10
  4. Step 4: Simplify right side
    130,110.56x = 20,097,372,077.51
  5. Step 5: Solve for x
    x = 20,097,372,077.51/130,110.56
  6. Step 6: Final answer
    x = 154,463.80

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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.