Home / 146,617.14-202,319.55-86,190.33

Finding the Fourth Proportional to 146,617.14, 202,319.55 and 86,190.33

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Solution

The fourth proportional to 146,617.14, 202,319.55 and 86,190.33 is: 118,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,617.14 : 202,319.55 = 86,190.33 : x
  2. Step 2: Convert to fraction form
    146,617.14/202,319.55 = 86,190.33/x
  3. Step 3: Cross multiply
    146,617.14x = 202,319.55 × 86,190.33
  4. Step 4: Simplify right side
    146,617.14x = 17,437,988,779.95
  5. Step 5: Solve for x
    x = 17,437,988,779.95/146,617.14
  6. Step 6: Final answer
    x = 118,935.54

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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.