Home / 168,090.40-231,988.08-96,492.88

Finding the Fourth Proportional to 168,090.40, 231,988.08 and 96,492.88

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Solution

The fourth proportional to 168,090.40, 231,988.08 and 96,492.88 is: 133,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,090.40 : 231,988.08 = 96,492.88 : x
  2. Step 2: Convert to fraction form
    168,090.40/231,988.08 = 96,492.88/x
  3. Step 3: Cross multiply
    168,090.40x = 231,988.08 × 96,492.88
  4. Step 4: Simplify right side
    168,090.40x = 22,385,197,964.87
  5. Step 5: Solve for x
    x = 22,385,197,964.87/168,090.40
  6. Step 6: Final answer
    x = 133,173.57

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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.