Home / 133,153.19-183,756.87-76,564.56

Finding the Fourth Proportional to 133,153.19, 183,756.87 and 76,564.56

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Solution

The fourth proportional to 133,153.19, 183,756.87 and 76,564.56 is: 105,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,153.19 : 183,756.87 = 76,564.56 : x
  2. Step 2: Convert to fraction form
    133,153.19/183,756.87 = 76,564.56/x
  3. Step 3: Cross multiply
    133,153.19x = 183,756.87 × 76,564.56
  4. Step 4: Simplify right side
    133,153.19x = 14,069,263,898.53
  5. Step 5: Solve for x
    x = 14,069,263,898.53/133,153.19
  6. Step 6: Final answer
    x = 105,662.24

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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.