Home / 132,822-183,294.63-72,393.30

Finding the Fourth Proportional to 132,822, 183,294.63 and 72,393.30

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Solution

The fourth proportional to 132,822, 183,294.63 and 72,393.30 is: 99,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,822 : 183,294.63 = 72,393.30 : x
  2. Step 2: Convert to fraction form
    132,822/183,294.63 = 72,393.30/x
  3. Step 3: Cross multiply
    132,822x = 183,294.63 × 72,393.30
  4. Step 4: Simplify right side
    132,822x = 13,269,303,137.98
  5. Step 5: Solve for x
    x = 13,269,303,137.98/132,822
  6. Step 6: Final answer
    x = 99,902.90

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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.