Home / 134,558.93-185,657.78-86,754.75

Finding the Fourth Proportional to 134,558.93, 185,657.78 and 86,754.75

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Solution

The fourth proportional to 134,558.93, 185,657.78 and 86,754.75 is: 119,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,558.93 : 185,657.78 = 86,754.75 : x
  2. Step 2: Convert to fraction form
    134,558.93/185,657.78 = 86,754.75/x
  3. Step 3: Cross multiply
    134,558.93x = 185,657.78 × 86,754.75
  4. Step 4: Simplify right side
    134,558.93x = 16,106,693,855.68
  5. Step 5: Solve for x
    x = 16,106,693,855.68/134,558.93
  6. Step 6: Final answer
    x = 119,699.93

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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.