Home / 163,236.63-225,266.54-91,616.65

Finding the Fourth Proportional to 163,236.63, 225,266.54 and 91,616.65

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Solution

The fourth proportional to 163,236.63, 225,266.54 and 91,616.65 is: 126,430.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,236.63 : 225,266.54 = 91,616.65 : x
  2. Step 2: Convert to fraction form
    163,236.63/225,266.54 = 91,616.65/x
  3. Step 3: Cross multiply
    163,236.63x = 225,266.54 × 91,616.65
  4. Step 4: Simplify right side
    163,236.63x = 20,638,165,751.89
  5. Step 5: Solve for x
    x = 20,638,165,751.89/163,236.63
  6. Step 6: Final answer
    x = 126,430.97

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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.