Home / 146,669.94-202,417.56-86,210.28

Finding the Fourth Proportional to 146,669.94, 202,417.56 and 86,210.28

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Solution

The fourth proportional to 146,669.94, 202,417.56 and 86,210.28 is: 118,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,669.94 : 202,417.56 = 86,210.28 : x
  2. Step 2: Convert to fraction form
    146,669.94/202,417.56 = 86,210.28/x
  3. Step 3: Cross multiply
    146,669.94x = 202,417.56 × 86,210.28
  4. Step 4: Simplify right side
    146,669.94x = 17,450,474,524.52
  5. Step 5: Solve for x
    x = 17,450,474,524.52/146,669.94
  6. Step 6: Final answer
    x = 118,977.85

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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.