Home / 134,852.58-186,090.26-77,451.53

Finding the Fourth Proportional to 134,852.58, 186,090.26 and 77,451.53

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Solution

The fourth proportional to 134,852.58, 186,090.26 and 77,451.53 is: 106,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,852.58 : 186,090.26 = 77,451.53 : x
  2. Step 2: Convert to fraction form
    134,852.58/186,090.26 = 77,451.53/x
  3. Step 3: Cross multiply
    134,852.58x = 186,090.26 × 77,451.53
  4. Step 4: Simplify right side
    134,852.58x = 14,412,974,037.39
  5. Step 5: Solve for x
    x = 14,412,974,037.39/134,852.58
  6. Step 6: Final answer
    x = 106,879.48

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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.