Home / 228,007.22-314,639.09-124,646.75

Finding the Fourth Proportional to 228,007.22, 314,639.09 and 124,646.75

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Solution

The fourth proportional to 228,007.22, 314,639.09 and 124,646.75 is: 172,006.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,007.22 : 314,639.09 = 124,646.75 : x
  2. Step 2: Convert to fraction form
    228,007.22/314,639.09 = 124,646.75/x
  3. Step 3: Cross multiply
    228,007.22x = 314,639.09 × 124,646.75
  4. Step 4: Simplify right side
    228,007.22x = 39,218,738,359.17
  5. Step 5: Solve for x
    x = 39,218,738,359.17/228,007.22
  6. Step 6: Final answer
    x = 172,006.57

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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.