Home / 168,068.46-231,931.50-91,588.24

Finding the Fourth Proportional to 168,068.46, 231,931.50 and 91,588.24

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Solution

The fourth proportional to 168,068.46, 231,931.50 and 91,588.24 is: 126,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,068.46 : 231,931.50 = 91,588.24 : x
  2. Step 2: Convert to fraction form
    168,068.46/231,931.50 = 91,588.24/x
  3. Step 3: Cross multiply
    168,068.46x = 231,931.50 × 91,588.24
  4. Step 4: Simplify right side
    168,068.46x = 21,242,197,885.56
  5. Step 5: Solve for x
    x = 21,242,197,885.56/168,068.46
  6. Step 6: Final answer
    x = 126,390.15

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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.