Home / 226,299.09-312,291.45-124,322.36

Finding the Fourth Proportional to 226,299.09, 312,291.45 and 124,322.36

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Solution

The fourth proportional to 226,299.09, 312,291.45 and 124,322.36 is: 171,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,299.09 : 312,291.45 = 124,322.36 : x
  2. Step 2: Convert to fraction form
    226,299.09/312,291.45 = 124,322.36/x
  3. Step 3: Cross multiply
    226,299.09x = 312,291.45 × 124,322.36
  4. Step 4: Simplify right side
    226,299.09x = 38,824,810,071.82
  5. Step 5: Solve for x
    x = 38,824,810,071.82/226,299.09
  6. Step 6: Final answer
    x = 171,564.15

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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.