Home / 113,347.20-170,085.60-43,276.80

Finding the Fourth Proportional to 113,347.20, 170,085.60 and 43,276.80

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Solution

The fourth proportional to 113,347.20, 170,085.60 and 43,276.80 is: 64,939.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,347.20 : 170,085.60 = 43,276.80 : x
  2. Step 2: Convert to fraction form
    113,347.20/170,085.60 = 43,276.80/x
  3. Step 3: Cross multiply
    113,347.20x = 170,085.60 × 43,276.80
  4. Step 4: Simplify right side
    113,347.20x = 7,360,760,494.08
  5. Step 5: Solve for x
    x = 7,360,760,494.08/113,347.20
  6. Step 6: Final answer
    x = 64,939.94

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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.