Home / 157,622.13-217,519.26-86,003.67

Finding the Fourth Proportional to 157,622.13, 217,519.26 and 86,003.67

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Solution

The fourth proportional to 157,622.13, 217,519.26 and 86,003.67 is: 118,685.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,622.13 : 217,519.26 = 86,003.67 : x
  2. Step 2: Convert to fraction form
    157,622.13/217,519.26 = 86,003.67/x
  3. Step 3: Cross multiply
    157,622.13x = 217,519.26 × 86,003.67
  4. Step 4: Simplify right side
    157,622.13x = 18,707,454,655.68
  5. Step 5: Solve for x
    x = 18,707,454,655.68/157,622.13
  6. Step 6: Final answer
    x = 118,685.46

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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.