Home / 282,292.45-389,563.96-153,230.84

Finding the Fourth Proportional to 282,292.45, 389,563.96 and 153,230.84

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Solution

The fourth proportional to 282,292.45, 389,563.96 and 153,230.84 is: 211,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,292.45 : 389,563.96 = 153,230.84 : x
  2. Step 2: Convert to fraction form
    282,292.45/389,563.96 = 153,230.84/x
  3. Step 3: Cross multiply
    282,292.45x = 389,563.96 × 153,230.84
  4. Step 4: Simplify right side
    282,292.45x = 59,693,212,058.37
  5. Step 5: Solve for x
    x = 59,693,212,058.37/282,292.45
  6. Step 6: Final answer
    x = 211,458.76

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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.