Home / 157,599.09-217,470.20-97,196.90

Finding the Fourth Proportional to 157,599.09, 217,470.20 and 97,196.90

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Solution

The fourth proportional to 157,599.09, 217,470.20 and 97,196.90 is: 134,121.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,599.09 : 217,470.20 = 97,196.90 : x
  2. Step 2: Convert to fraction form
    157,599.09/217,470.20 = 97,196.90/x
  3. Step 3: Cross multiply
    157,599.09x = 217,470.20 × 97,196.90
  4. Step 4: Simplify right side
    157,599.09x = 21,137,427,709.04
  5. Step 5: Solve for x
    x = 21,137,427,709.04/157,599.09
  6. Step 6: Final answer
    x = 134,121.51

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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.