Home / 106,528.46-147,004.35-61,174.53

Finding the Fourth Proportional to 106,528.46, 147,004.35 and 61,174.53

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Solution

The fourth proportional to 106,528.46, 147,004.35 and 61,174.53 is: 84,418.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,528.46 : 147,004.35 = 61,174.53 : x
  2. Step 2: Convert to fraction form
    106,528.46/147,004.35 = 61,174.53/x
  3. Step 3: Cross multiply
    106,528.46x = 147,004.35 × 61,174.53
  4. Step 4: Simplify right side
    106,528.46x = 8,992,922,019.21
  5. Step 5: Solve for x
    x = 8,992,922,019.21/106,528.46
  6. Step 6: Final answer
    x = 84,418.02

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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.