Home / 133,051.41-183,628.76-84,658.10

Finding the Fourth Proportional to 133,051.41, 183,628.76 and 84,658.10

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Solution

The fourth proportional to 133,051.41, 183,628.76 and 84,658.10 is: 116,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,051.41 : 183,628.76 = 84,658.10 : x
  2. Step 2: Convert to fraction form
    133,051.41/183,628.76 = 84,658.10/x
  3. Step 3: Cross multiply
    133,051.41x = 183,628.76 × 84,658.10
  4. Step 4: Simplify right side
    133,051.41x = 15,545,660,585.52
  5. Step 5: Solve for x
    x = 15,545,660,585.52/133,051.41
  6. Step 6: Final answer
    x = 116,839.50

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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.