Home / 157,533.53-217,390.82-89,553.33

Finding the Fourth Proportional to 157,533.53, 217,390.82 and 89,553.33

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Solution

The fourth proportional to 157,533.53, 217,390.82 and 89,553.33 is: 123,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,533.53 : 217,390.82 = 89,553.33 : x
  2. Step 2: Convert to fraction form
    157,533.53/217,390.82 = 89,553.33/x
  3. Step 3: Cross multiply
    157,533.53x = 217,390.82 × 89,553.33
  4. Step 4: Simplify right side
    157,533.53x = 19,468,071,394.66
  5. Step 5: Solve for x
    x = 19,468,071,394.66/157,533.53
  6. Step 6: Final answer
    x = 123,580.50

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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.