Home / 163,149.73-225,188.02-111,487.75

Finding the Fourth Proportional to 163,149.73, 225,188.02 and 111,487.75

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Solution

The fourth proportional to 163,149.73, 225,188.02 and 111,487.75 is: 153,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,149.73 : 225,188.02 = 111,487.75 : x
  2. Step 2: Convert to fraction form
    163,149.73/225,188.02 = 111,487.75/x
  3. Step 3: Cross multiply
    163,149.73x = 225,188.02 × 111,487.75
  4. Step 4: Simplify right side
    163,149.73x = 25,105,705,676.76
  5. Step 5: Solve for x
    x = 25,105,705,676.76/163,149.73
  6. Step 6: Final answer
    x = 153,881.38

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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.