Home / 134,896.15-186,162.74-77,554.05

Finding the Fourth Proportional to 134,896.15, 186,162.74 and 77,554.05

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Solution

The fourth proportional to 134,896.15, 186,162.74 and 77,554.05 is: 107,028.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,896.15 : 186,162.74 = 77,554.05 : x
  2. Step 2: Convert to fraction form
    134,896.15/186,162.74 = 77,554.05/x
  3. Step 3: Cross multiply
    134,896.15x = 186,162.74 × 77,554.05
  4. Step 4: Simplify right side
    134,896.15x = 14,437,674,446.10
  5. Step 5: Solve for x
    x = 14,437,674,446.10/134,896.15
  6. Step 6: Final answer
    x = 107,028.07

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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.