Home / 183,529.90-275,076.15-76,913.65

Finding the Fourth Proportional to 183,529.90, 275,076.15 and 76,913.65

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Solution

The fourth proportional to 183,529.90, 275,076.15 and 76,913.65 is: 115,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,529.90 : 275,076.15 = 76,913.65 : x
  2. Step 2: Convert to fraction form
    183,529.90/275,076.15 = 76,913.65/x
  3. Step 3: Cross multiply
    183,529.90x = 275,076.15 × 76,913.65
  4. Step 4: Simplify right side
    183,529.90x = 21,157,110,724.45
  5. Step 5: Solve for x
    x = 21,157,110,724.45/183,529.90
  6. Step 6: Final answer
    x = 115,278.82

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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.