Home / 151,563.13-209,154.31-83,586.37

Finding the Fourth Proportional to 151,563.13, 209,154.31 and 83,586.37

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Solution

The fourth proportional to 151,563.13, 209,154.31 and 83,586.37 is: 115,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,563.13 : 209,154.31 = 83,586.37 : x
  2. Step 2: Convert to fraction form
    151,563.13/209,154.31 = 83,586.37/x
  3. Step 3: Cross multiply
    151,563.13x = 209,154.31 × 83,586.37
  4. Step 4: Simplify right side
    151,563.13x = 17,482,449,542.75
  5. Step 5: Solve for x
    x = 17,482,449,542.75/151,563.13
  6. Step 6: Final answer
    x = 115,347.64

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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.