Home / 226,639.08-312,755.58-124,664.47

Finding the Fourth Proportional to 226,639.08, 312,755.58 and 124,664.47

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Solution

The fourth proportional to 226,639.08, 312,755.58 and 124,664.47 is: 172,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,639.08 : 312,755.58 = 124,664.47 : x
  2. Step 2: Convert to fraction form
    226,639.08/312,755.58 = 124,664.47/x
  3. Step 3: Cross multiply
    226,639.08x = 312,755.58 × 124,664.47
  4. Step 4: Simplify right side
    226,639.08x = 38,989,507,838.35
  5. Step 5: Solve for x
    x = 38,989,507,838.35/226,639.08
  6. Step 6: Final answer
    x = 172,033.47

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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.