Home / 104,933.66-144,809.13-57,186.86

Finding the Fourth Proportional to 104,933.66, 144,809.13 and 57,186.86

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Solution

The fourth proportional to 104,933.66, 144,809.13 and 57,186.86 is: 78,918.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,933.66 : 144,809.13 = 57,186.86 : x
  2. Step 2: Convert to fraction form
    104,933.66/144,809.13 = 57,186.86/x
  3. Step 3: Cross multiply
    104,933.66x = 144,809.13 × 57,186.86
  4. Step 4: Simplify right side
    104,933.66x = 8,281,179,444.03
  5. Step 5: Solve for x
    x = 8,281,179,444.03/104,933.66
  6. Step 6: Final answer
    x = 78,918.24

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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.