Home / 157,539.30-217,395.56-89,546.82

Finding the Fourth Proportional to 157,539.30, 217,395.56 and 89,546.82

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Solution

The fourth proportional to 157,539.30, 217,395.56 and 89,546.82 is: 123,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,539.30 : 217,395.56 = 89,546.82 : x
  2. Step 2: Convert to fraction form
    157,539.30/217,395.56 = 89,546.82/x
  3. Step 3: Cross multiply
    157,539.30x = 217,395.56 × 89,546.82
  4. Step 4: Simplify right side
    157,539.30x = 19,467,080,632.39
  5. Step 5: Solve for x
    x = 19,467,080,632.39/157,539.30
  6. Step 6: Final answer
    x = 123,569.68

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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.