Home / 116,837.04-161,129.25-76,536.10

Finding the Fourth Proportional to 116,837.04, 161,129.25 and 76,536.10

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Solution

The fourth proportional to 116,837.04, 161,129.25 and 76,536.10 is: 105,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,837.04 : 161,129.25 = 76,536.10 : x
  2. Step 2: Convert to fraction form
    116,837.04/161,129.25 = 76,536.10/x
  3. Step 3: Cross multiply
    116,837.04x = 161,129.25 × 76,536.10
  4. Step 4: Simplify right side
    116,837.04x = 12,332,204,390.93
  5. Step 5: Solve for x
    x = 12,332,204,390.93/116,837.04
  6. Step 6: Final answer
    x = 105,550.47

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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.