Home / 168,206.39-232,130.42-91,729.67

Finding the Fourth Proportional to 168,206.39, 232,130.42 and 91,729.67

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Solution

The fourth proportional to 168,206.39, 232,130.42 and 91,729.67 is: 126,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,206.39 : 232,130.42 = 91,729.67 : x
  2. Step 2: Convert to fraction form
    168,206.39/232,130.42 = 91,729.67/x
  3. Step 3: Cross multiply
    168,206.39x = 232,130.42 × 91,729.67
  4. Step 4: Simplify right side
    168,206.39x = 21,293,246,823.56
  5. Step 5: Solve for x
    x = 21,293,246,823.56/168,206.39
  6. Step 6: Final answer
    x = 126,590.00

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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.