Home / 133,234.48-183,858.06-72,807.22

Finding the Fourth Proportional to 133,234.48, 183,858.06 and 72,807.22

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Solution

The fourth proportional to 133,234.48, 183,858.06 and 72,807.22 is: 100,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,234.48 : 183,858.06 = 72,807.22 : x
  2. Step 2: Convert to fraction form
    133,234.48/183,858.06 = 72,807.22/x
  3. Step 3: Cross multiply
    133,234.48x = 183,858.06 × 72,807.22
  4. Step 4: Simplify right side
    133,234.48x = 13,386,194,223.19
  5. Step 5: Solve for x
    x = 13,386,194,223.19/133,234.48
  6. Step 6: Final answer
    x = 100,470.95

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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.