Home / 183,435.12-275,106.51-71,076.78

Finding the Fourth Proportional to 183,435.12, 275,106.51 and 71,076.78

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Solution

The fourth proportional to 183,435.12, 275,106.51 and 71,076.78 is: 106,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,435.12 : 275,106.51 = 71,076.78 : x
  2. Step 2: Convert to fraction form
    183,435.12/275,106.51 = 71,076.78/x
  3. Step 3: Cross multiply
    183,435.12x = 275,106.51 × 71,076.78
  4. Step 4: Simplify right side
    183,435.12x = 19,553,684,887.84
  5. Step 5: Solve for x
    x = 19,553,684,887.84/183,435.12
  6. Step 6: Final answer
    x = 106,597.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.