Home / 123,071.04-183,932.10-89,861.04

Finding the Fourth Proportional to 123,071.04, 183,932.10 and 89,861.04

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Solution

The fourth proportional to 123,071.04, 183,932.10 and 89,861.04 is: 134,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,071.04 : 183,932.10 = 89,861.04 : x
  2. Step 2: Convert to fraction form
    123,071.04/183,932.10 = 89,861.04/x
  3. Step 3: Cross multiply
    123,071.04x = 183,932.10 × 89,861.04
  4. Step 4: Simplify right side
    123,071.04x = 16,528,329,795.38
  5. Step 5: Solve for x
    x = 16,528,329,795.38/123,071.04
  6. Step 6: Final answer
    x = 134,299.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.