Home / 126,457.34-174,514.67-69,872.38

Finding the Fourth Proportional to 126,457.34, 174,514.67 and 69,872.38

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Solution

The fourth proportional to 126,457.34, 174,514.67 and 69,872.38 is: 96,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,457.34 : 174,514.67 = 69,872.38 : x
  2. Step 2: Convert to fraction form
    126,457.34/174,514.67 = 69,872.38/x
  3. Step 3: Cross multiply
    126,457.34x = 174,514.67 × 69,872.38
  4. Step 4: Simplify right side
    126,457.34x = 12,193,755,337.81
  5. Step 5: Solve for x
    x = 12,193,755,337.81/126,457.34
  6. Step 6: Final answer
    x = 96,425.84

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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.