Home / 226,398.07-312,435.36-124,426.45

Finding the Fourth Proportional to 226,398.07, 312,435.36 and 124,426.45

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Solution

The fourth proportional to 226,398.07, 312,435.36 and 124,426.45 is: 171,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,398.07 : 312,435.36 = 124,426.45 : x
  2. Step 2: Convert to fraction form
    226,398.07/312,435.36 = 124,426.45/x
  3. Step 3: Cross multiply
    226,398.07x = 312,435.36 × 124,426.45
  4. Step 4: Simplify right side
    226,398.07x = 38,875,222,699.27
  5. Step 5: Solve for x
    x = 38,875,222,699.27/226,398.07
  6. Step 6: Final answer
    x = 171,711.81

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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.