Home / 228,629.16-315,513.45-133,101

Finding the Fourth Proportional to 228,629.16, 315,513.45 and 133,101

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Solution

The fourth proportional to 228,629.16, 315,513.45 and 133,101 is: 183,682.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,629.16 : 315,513.45 = 133,101 : x
  2. Step 2: Convert to fraction form
    228,629.16/315,513.45 = 133,101/x
  3. Step 3: Cross multiply
    228,629.16x = 315,513.45 × 133,101
  4. Step 4: Simplify right side
    228,629.16x = 41,995,155,708.45
  5. Step 5: Solve for x
    x = 41,995,155,708.45/228,629.16
  6. Step 6: Final answer
    x = 183,682.41

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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.