Home / 168,085.13-231,950.70-91,602.63

Finding the Fourth Proportional to 168,085.13, 231,950.70 and 91,602.63

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Solution

The fourth proportional to 168,085.13, 231,950.70 and 91,602.63 is: 126,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,085.13 : 231,950.70 = 91,602.63 : x
  2. Step 2: Convert to fraction form
    168,085.13/231,950.70 = 91,602.63/x
  3. Step 3: Cross multiply
    168,085.13x = 231,950.70 × 91,602.63
  4. Step 4: Simplify right side
    168,085.13x = 21,247,294,150.34
  5. Step 5: Solve for x
    x = 21,247,294,150.34/168,085.13
  6. Step 6: Final answer
    x = 126,407.94

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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.