Home / 157,539.87-217,396.44-89,547.39

Finding the Fourth Proportional to 157,539.87, 217,396.44 and 89,547.39

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Solution

The fourth proportional to 157,539.87, 217,396.44 and 89,547.39 is: 123,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,539.87 : 217,396.44 = 89,547.39 : x
  2. Step 2: Convert to fraction form
    157,539.87/217,396.44 = 89,547.39/x
  3. Step 3: Cross multiply
    157,539.87x = 217,396.44 × 89,547.39
  4. Step 4: Simplify right side
    157,539.87x = 19,467,283,797.29
  5. Step 5: Solve for x
    x = 19,467,283,797.29/157,539.87
  6. Step 6: Final answer
    x = 123,570.52

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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.