Home / 113,884.80-157,157.76-63,582.72

Finding the Fourth Proportional to 113,884.80, 157,157.76 and 63,582.72

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Solution

The fourth proportional to 113,884.80, 157,157.76 and 63,582.72 is: 87,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,884.80 : 157,157.76 = 63,582.72 : x
  2. Step 2: Convert to fraction form
    113,884.80/157,157.76 = 63,582.72/x
  3. Step 3: Cross multiply
    113,884.80x = 157,157.76 × 63,582.72
  4. Step 4: Simplify right side
    113,884.80x = 9,992,517,849.91
  5. Step 5: Solve for x
    x = 9,992,517,849.91/113,884.80
  6. Step 6: Final answer
    x = 87,742.33

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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.