Home / 134,562.50-185,696.25-74,950.34

Finding the Fourth Proportional to 134,562.50, 185,696.25 and 74,950.34

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Solution

The fourth proportional to 134,562.50, 185,696.25 and 74,950.34 is: 103,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,562.50 : 185,696.25 = 74,950.34 : x
  2. Step 2: Convert to fraction form
    134,562.50/185,696.25 = 74,950.34/x
  3. Step 3: Cross multiply
    134,562.50x = 185,696.25 × 74,950.34
  4. Step 4: Simplify right side
    134,562.50x = 13,917,997,074.23
  5. Step 5: Solve for x
    x = 13,917,997,074.23/134,562.50
  6. Step 6: Final answer
    x = 103,431.47

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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.