Home / 113,632.08-170,536.14-91,499.64

Finding the Fourth Proportional to 113,632.08, 170,536.14 and 91,499.64

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Solution

The fourth proportional to 113,632.08, 170,536.14 and 91,499.64 is: 137,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,632.08 : 170,536.14 = 91,499.64 : x
  2. Step 2: Convert to fraction form
    113,632.08/170,536.14 = 91,499.64/x
  3. Step 3: Cross multiply
    113,632.08x = 170,536.14 × 91,499.64
  4. Step 4: Simplify right side
    113,632.08x = 15,603,995,416.99
  5. Step 5: Solve for x
    x = 15,603,995,416.99/113,632.08
  6. Step 6: Final answer
    x = 137,320.34

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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.