Home / 111,630.48-168,213.12-92,341.14

Finding the Fourth Proportional to 111,630.48, 168,213.12 and 92,341.14

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Solution

The fourth proportional to 111,630.48, 168,213.12 and 92,341.14 is: 139,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,630.48 : 168,213.12 = 92,341.14 : x
  2. Step 2: Convert to fraction form
    111,630.48/168,213.12 = 92,341.14/x
  3. Step 3: Cross multiply
    111,630.48x = 168,213.12 × 92,341.14
  4. Step 4: Simplify right side
    111,630.48x = 15,532,991,263.76
  5. Step 5: Solve for x
    x = 15,532,991,263.76/111,630.48
  6. Step 6: Final answer
    x = 139,146.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.