Home / 132,902.83-183,410.33-72,476.78

Finding the Fourth Proportional to 132,902.83, 183,410.33 and 72,476.78

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Solution

The fourth proportional to 132,902.83, 183,410.33 and 72,476.78 is: 100,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,902.83 : 183,410.33 = 72,476.78 : x
  2. Step 2: Convert to fraction form
    132,902.83/183,410.33 = 72,476.78/x
  3. Step 3: Cross multiply
    132,902.83x = 183,410.33 × 72,476.78
  4. Step 4: Simplify right side
    132,902.83x = 13,292,989,609.28
  5. Step 5: Solve for x
    x = 13,292,989,609.28/132,902.83
  6. Step 6: Final answer
    x = 100,020.37

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1.5x scale

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.