Home / 113,554.60-170,331.90-54,359.80

Finding the Fourth Proportional to 113,554.60, 170,331.90 and 54,359.80

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Solution

The fourth proportional to 113,554.60, 170,331.90 and 54,359.80 is: 81,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,554.60 : 170,331.90 = 54,359.80 : x
  2. Step 2: Convert to fraction form
    113,554.60/170,331.90 = 54,359.80/x
  3. Step 3: Cross multiply
    113,554.60x = 170,331.90 × 54,359.80
  4. Step 4: Simplify right side
    113,554.60x = 9,259,208,017.62
  5. Step 5: Solve for x
    x = 9,259,208,017.62/113,554.60
  6. Step 6: Final answer
    x = 81,539.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.