Home / 166,981.08-230,457.51-103,339.38

Finding the Fourth Proportional to 166,981.08, 230,457.51 and 103,339.38

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Solution

The fourth proportional to 166,981.08, 230,457.51 and 103,339.38 is: 142,622.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,981.08 : 230,457.51 = 103,339.38 : x
  2. Step 2: Convert to fraction form
    166,981.08/230,457.51 = 103,339.38/x
  3. Step 3: Cross multiply
    166,981.08x = 230,457.51 × 103,339.38
  4. Step 4: Simplify right side
    166,981.08x = 23,815,336,199.74
  5. Step 5: Solve for x
    x = 23,815,336,199.74/166,981.08
  6. Step 6: Final answer
    x = 142,622.96

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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.