Home / 113,530.60-170,295.90-54,335.80

Finding the Fourth Proportional to 113,530.60, 170,295.90 and 54,335.80

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Solution

The fourth proportional to 113,530.60, 170,295.90 and 54,335.80 is: 81,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,530.60 : 170,295.90 = 54,335.80 : x
  2. Step 2: Convert to fraction form
    113,530.60/170,295.90 = 54,335.80/x
  3. Step 3: Cross multiply
    113,530.60x = 170,295.90 × 54,335.80
  4. Step 4: Simplify right side
    113,530.60x = 9,253,163,963.22
  5. Step 5: Solve for x
    x = 9,253,163,963.22/113,530.60
  6. Step 6: Final answer
    x = 81,503.70

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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.