Home / 149,036.49-223,554.74-86,663.25

Finding the Fourth Proportional to 149,036.49, 223,554.74 and 86,663.25

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Solution

The fourth proportional to 149,036.49, 223,554.74 and 86,663.25 is: 129,994.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,036.49 : 223,554.74 = 86,663.25 : x
  2. Step 2: Convert to fraction form
    149,036.49/223,554.74 = 86,663.25/x
  3. Step 3: Cross multiply
    149,036.49x = 223,554.74 × 86,663.25
  4. Step 4: Simplify right side
    149,036.49x = 19,373,979,887.99
  5. Step 5: Solve for x
    x = 19,373,979,887.99/149,036.49
  6. Step 6: Final answer
    x = 129,994.88

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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.