Home / 117,561.40-162,235.68-63,846.80

Finding the Fourth Proportional to 117,561.40, 162,235.68 and 63,846.80

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Solution

The fourth proportional to 117,561.40, 162,235.68 and 63,846.80 is: 88,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,561.40 : 162,235.68 = 63,846.80 : x
  2. Step 2: Convert to fraction form
    117,561.40/162,235.68 = 63,846.80/x
  3. Step 3: Cross multiply
    117,561.40x = 162,235.68 × 63,846.80
  4. Step 4: Simplify right side
    117,561.40x = 10,358,229,222.50
  5. Step 5: Solve for x
    x = 10,358,229,222.50/117,561.40
  6. Step 6: Final answer
    x = 88,109.10

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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.