Home / 157,918.14-217,907.96-89,935.25

Finding the Fourth Proportional to 157,918.14, 217,907.96 and 89,935.25

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Solution

The fourth proportional to 157,918.14, 217,907.96 and 89,935.25 is: 124,099.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,918.14 : 217,907.96 = 89,935.25 : x
  2. Step 2: Convert to fraction form
    157,918.14/217,907.96 = 89,935.25/x
  3. Step 3: Cross multiply
    157,918.14x = 217,907.96 × 89,935.25
  4. Step 4: Simplify right side
    157,918.14x = 19,597,605,320.37
  5. Step 5: Solve for x
    x = 19,597,605,320.37/157,918.14
  6. Step 6: Final answer
    x = 124,099.77

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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.