Home / 226,693.12-312,836.52-124,716.40

Finding the Fourth Proportional to 226,693.12, 312,836.52 and 124,716.40

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Solution

The fourth proportional to 226,693.12, 312,836.52 and 124,716.40 is: 172,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,693.12 : 312,836.52 = 124,716.40 : x
  2. Step 2: Convert to fraction form
    226,693.12/312,836.52 = 124,716.40/x
  3. Step 3: Cross multiply
    226,693.12x = 312,836.52 × 124,716.40
  4. Step 4: Simplify right side
    226,693.12x = 39,015,843,780.84
  5. Step 5: Solve for x
    x = 39,015,843,780.84/226,693.12
  6. Step 6: Final answer
    x = 172,108.64

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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.