Home / 133,008.48-183,546-72,577.62

Finding the Fourth Proportional to 133,008.48, 183,546 and 72,577.62

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Solution

The fourth proportional to 133,008.48, 183,546 and 72,577.62 is: 100,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,008.48 : 183,546 = 72,577.62 : x
  2. Step 2: Convert to fraction form
    133,008.48/183,546 = 72,577.62/x
  3. Step 3: Cross multiply
    133,008.48x = 183,546 × 72,577.62
  4. Step 4: Simplify right side
    133,008.48x = 13,321,331,840.52
  5. Step 5: Solve for x
    x = 13,321,331,840.52/133,008.48
  6. Step 6: Final answer
    x = 100,154.00

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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.