Home / 132,823.15-183,294.79-72,393.80

Finding the Fourth Proportional to 132,823.15, 183,294.79 and 72,393.80

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Solution

The fourth proportional to 132,823.15, 183,294.79 and 72,393.80 is: 99,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,823.15 : 183,294.79 = 72,393.80 : x
  2. Step 2: Convert to fraction form
    132,823.15/183,294.79 = 72,393.80/x
  3. Step 3: Cross multiply
    132,823.15x = 183,294.79 × 72,393.80
  4. Step 4: Simplify right side
    132,823.15x = 13,269,406,200.07
  5. Step 5: Solve for x
    x = 13,269,406,200.07/132,823.15
  6. Step 6: Final answer
    x = 99,902.81

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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.