Home / 157,516.57-217,378.32-89,536.39

Finding the Fourth Proportional to 157,516.57, 217,378.32 and 89,536.39

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Solution

The fourth proportional to 157,516.57, 217,378.32 and 89,536.39 is: 123,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,516.57 : 217,378.32 = 89,536.39 : x
  2. Step 2: Convert to fraction form
    157,516.57/217,378.32 = 89,536.39/x
  3. Step 3: Cross multiply
    157,516.57x = 217,378.32 × 89,536.39
  4. Step 4: Simplify right side
    157,516.57x = 19,463,270,037.06
  5. Step 5: Solve for x
    x = 19,463,270,037.06/157,516.57
  6. Step 6: Final answer
    x = 123,563.32

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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.