Home / 130,441.86-180,010.44-73,864.26

Finding the Fourth Proportional to 130,441.86, 180,010.44 and 73,864.26

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Solution

The fourth proportional to 130,441.86, 180,010.44 and 73,864.26 is: 101,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,441.86 : 180,010.44 = 73,864.26 : x
  2. Step 2: Convert to fraction form
    130,441.86/180,010.44 = 73,864.26/x
  3. Step 3: Cross multiply
    130,441.86x = 180,010.44 × 73,864.26
  4. Step 4: Simplify right side
    130,441.86x = 13,296,337,942.87
  5. Step 5: Solve for x
    x = 13,296,337,942.87/130,441.86
  6. Step 6: Final answer
    x = 101,933.06

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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.