Home / 163,077.49-225,071.54-99,452.19

Finding the Fourth Proportional to 163,077.49, 225,071.54 and 99,452.19

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Solution

The fourth proportional to 163,077.49, 225,071.54 and 99,452.19 is: 137,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,077.49 : 225,071.54 = 99,452.19 : x
  2. Step 2: Convert to fraction form
    163,077.49/225,071.54 = 99,452.19/x
  3. Step 3: Cross multiply
    163,077.49x = 225,071.54 × 99,452.19
  4. Step 4: Simplify right side
    163,077.49x = 22,383,857,559.67
  5. Step 5: Solve for x
    x = 22,383,857,559.67/163,077.49
  6. Step 6: Final answer
    x = 137,259.03

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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.