Home / 134,876.52-186,125.58-77,525.28

Finding the Fourth Proportional to 134,876.52, 186,125.58 and 77,525.28

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Solution

The fourth proportional to 134,876.52, 186,125.58 and 77,525.28 is: 106,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,876.52 : 186,125.58 = 77,525.28 : x
  2. Step 2: Convert to fraction form
    134,876.52/186,125.58 = 77,525.28/x
  3. Step 3: Cross multiply
    134,876.52x = 186,125.58 × 77,525.28
  4. Step 4: Simplify right side
    134,876.52x = 14,429,437,704.66
  5. Step 5: Solve for x
    x = 14,429,437,704.66/134,876.52
  6. Step 6: Final answer
    x = 106,982.58

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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.