Home / 146,618.40-202,359.36-86,188.56

Finding the Fourth Proportional to 146,618.40, 202,359.36 and 86,188.56

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Solution

The fourth proportional to 146,618.40, 202,359.36 and 86,188.56 is: 118,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,618.40 : 202,359.36 = 86,188.56 : x
  2. Step 2: Convert to fraction form
    146,618.40/202,359.36 = 86,188.56/x
  3. Step 3: Cross multiply
    146,618.40x = 202,359.36 × 86,188.56
  4. Step 4: Simplify right side
    146,618.40x = 17,441,061,840.92
  5. Step 5: Solve for x
    x = 17,441,061,840.92/146,618.40
  6. Step 6: Final answer
    x = 118,955.48

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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.