Home / 146,866.03-202,659.87-86,433.07

Finding the Fourth Proportional to 146,866.03, 202,659.87 and 86,433.07

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Solution

The fourth proportional to 146,866.03, 202,659.87 and 86,433.07 is: 119,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,866.03 : 202,659.87 = 86,433.07 : x
  2. Step 2: Convert to fraction form
    146,866.03/202,659.87 = 86,433.07/x
  3. Step 3: Cross multiply
    146,866.03x = 202,659.87 × 86,433.07
  4. Step 4: Simplify right side
    146,866.03x = 17,516,514,729.90
  5. Step 5: Solve for x
    x = 17,516,514,729.90/146,866.03
  6. Step 6: Final answer
    x = 119,268.66

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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.