Home / 113,897.32-170,846.30-67,085.80

Finding the Fourth Proportional to 113,897.32, 170,846.30 and 67,085.80

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Solution

The fourth proportional to 113,897.32, 170,846.30 and 67,085.80 is: 100,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,897.32 : 170,846.30 = 67,085.80 : x
  2. Step 2: Convert to fraction form
    113,897.32/170,846.30 = 67,085.80/x
  3. Step 3: Cross multiply
    113,897.32x = 170,846.30 × 67,085.80
  4. Step 4: Simplify right side
    113,897.32x = 11,461,360,712.54
  5. Step 5: Solve for x
    x = 11,461,360,712.54/113,897.32
  6. Step 6: Final answer
    x = 100,628.89

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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.