Home / 106,476.08-147,003-74,773.04

Finding the Fourth Proportional to 106,476.08, 147,003 and 74,773.04

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Solution

The fourth proportional to 106,476.08, 147,003 and 74,773.04 is: 103,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,476.08 : 147,003 = 74,773.04 : x
  2. Step 2: Convert to fraction form
    106,476.08/147,003 = 74,773.04/x
  3. Step 3: Cross multiply
    106,476.08x = 147,003 × 74,773.04
  4. Step 4: Simplify right side
    106,476.08x = 10,991,861,199.12
  5. Step 5: Solve for x
    x = 10,991,861,199.12/106,476.08
  6. Step 6: Final answer
    x = 103,233.15

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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.