Home / 280,852.80-387,576.96-153,528.36

Finding the Fourth Proportional to 280,852.80, 387,576.96 and 153,528.36

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Solution

The fourth proportional to 280,852.80, 387,576.96 and 153,528.36 is: 211,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,852.80 : 387,576.96 = 153,528.36 : x
  2. Step 2: Convert to fraction form
    280,852.80/387,576.96 = 153,528.36/x
  3. Step 3: Cross multiply
    280,852.80x = 387,576.96 × 153,528.36
  4. Step 4: Simplify right side
    280,852.80x = 59,504,055,042.59
  5. Step 5: Solve for x
    x = 59,504,055,042.59/280,852.80
  6. Step 6: Final answer
    x = 211,869.19

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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.