Home / 226,387.36-312,399.45-124,410.63

Finding the Fourth Proportional to 226,387.36, 312,399.45 and 124,410.63

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Solution

The fourth proportional to 226,387.36, 312,399.45 and 124,410.63 is: 171,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,387.36 : 312,399.45 = 124,410.63 : x
  2. Step 2: Convert to fraction form
    226,387.36/312,399.45 = 124,410.63/x
  3. Step 3: Cross multiply
    226,387.36x = 312,399.45 × 124,410.63
  4. Step 4: Simplify right side
    226,387.36x = 38,865,812,386.15
  5. Step 5: Solve for x
    x = 38,865,812,386.15/226,387.36
  6. Step 6: Final answer
    x = 171,678.37

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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.