Home / 146,927.88-220,537.80-86,158.44

Finding the Fourth Proportional to 146,927.88, 220,537.80 and 86,158.44

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Solution

The fourth proportional to 146,927.88, 220,537.80 and 86,158.44 is: 129,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,927.88 : 220,537.80 = 86,158.44 : x
  2. Step 2: Convert to fraction form
    146,927.88/220,537.80 = 86,158.44/x
  3. Step 3: Cross multiply
    146,927.88x = 220,537.80 × 86,158.44
  4. Step 4: Simplify right side
    146,927.88x = 19,001,192,809.03
  5. Step 5: Solve for x
    x = 19,001,192,809.03/146,927.88
  6. Step 6: Final answer
    x = 129,323.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.