Home / 226,551.78-312,661.37-124,595.21

Finding the Fourth Proportional to 226,551.78, 312,661.37 and 124,595.21

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Solution

The fourth proportional to 226,551.78, 312,661.37 and 124,595.21 is: 171,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,551.78 : 312,661.37 = 124,595.21 : x
  2. Step 2: Convert to fraction form
    226,551.78/312,661.37 = 124,595.21/x
  3. Step 3: Cross multiply
    226,551.78x = 312,661.37 × 124,595.21
  4. Step 4: Simplify right side
    226,551.78x = 38,956,107,802.22
  5. Step 5: Solve for x
    x = 38,956,107,802.22/226,551.78
  6. Step 6: Final answer
    x = 171,952.34

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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.