Home / 217,117.10-325,664.85-111,946.70

Finding the Fourth Proportional to 217,117.10, 325,664.85 and 111,946.70

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Solution

The fourth proportional to 217,117.10, 325,664.85 and 111,946.70 is: 167,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,117.10 : 325,664.85 = 111,946.70 : x
  2. Step 2: Convert to fraction form
    217,117.10/325,664.85 = 111,946.70/x
  3. Step 3: Cross multiply
    217,117.10x = 325,664.85 × 111,946.70
  4. Step 4: Simplify right side
    217,117.10x = 36,457,105,263.50
  5. Step 5: Solve for x
    x = 36,457,105,263.50/217,117.10
  6. Step 6: Final answer
    x = 167,914.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.