Home / 161,628.52-223,039.56-93,642.16

Finding the Fourth Proportional to 161,628.52, 223,039.56 and 93,642.16

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Solution

The fourth proportional to 161,628.52, 223,039.56 and 93,642.16 is: 129,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,628.52 : 223,039.56 = 93,642.16 : x
  2. Step 2: Convert to fraction form
    161,628.52/223,039.56 = 93,642.16/x
  3. Step 3: Cross multiply
    161,628.52x = 223,039.56 × 93,642.16
  4. Step 4: Simplify right side
    161,628.52x = 20,885,906,163.85
  5. Step 5: Solve for x
    x = 20,885,906,163.85/161,628.52
  6. Step 6: Final answer
    x = 129,221.66

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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.