Home / 253,837.19-380,629.00-83,036.62

Finding the Fourth Proportional to 253,837.19, 380,629.00 and 83,036.62

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Solution

The fourth proportional to 253,837.19, 380,629.00 and 83,036.62 is: 124,513.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,837.19 : 380,629.00 = 83,036.62 : x
  2. Step 2: Convert to fraction form
    253,837.19/380,629.00 = 83,036.62/x
  3. Step 3: Cross multiply
    253,837.19x = 380,629.00 × 83,036.62
  4. Step 4: Simplify right side
    253,837.19x = 31,606,144,909.50
  5. Step 5: Solve for x
    x = 31,606,144,909.50/253,837.19
  6. Step 6: Final answer
    x = 124,513.45

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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.