Home / 146,985.38-202,833.95-86,558.57

Finding the Fourth Proportional to 146,985.38, 202,833.95 and 86,558.57

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Solution

The fourth proportional to 146,985.38, 202,833.95 and 86,558.57 is: 119,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,985.38 : 202,833.95 = 86,558.57 : x
  2. Step 2: Convert to fraction form
    146,985.38/202,833.95 = 86,558.57/x
  3. Step 3: Cross multiply
    146,985.38x = 202,833.95 × 86,558.57
  4. Step 4: Simplify right side
    146,985.38x = 17,557,015,212.49
  5. Step 5: Solve for x
    x = 17,557,015,212.49/146,985.38
  6. Step 6: Final answer
    x = 119,447.36

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1.5x scale

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.