Home / 165,907.40-248,666.70-124,305.80

Finding the Fourth Proportional to 165,907.40, 248,666.70 and 124,305.80

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Solution

The fourth proportional to 165,907.40, 248,666.70 and 124,305.80 is: 186,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,907.40 : 248,666.70 = 124,305.80 : x
  2. Step 2: Convert to fraction form
    165,907.40/248,666.70 = 124,305.80/x
  3. Step 3: Cross multiply
    165,907.40x = 248,666.70 × 124,305.80
  4. Step 4: Simplify right side
    165,907.40x = 30,910,713,076.86
  5. Step 5: Solve for x
    x = 30,910,713,076.86/165,907.40
  6. Step 6: Final answer
    x = 186,313.05

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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.