Home / 282,173.80-389,414.02-154,848.36

Finding the Fourth Proportional to 282,173.80, 389,414.02 and 154,848.36

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Solution

The fourth proportional to 282,173.80, 389,414.02 and 154,848.36 is: 213,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,173.80 : 389,414.02 = 154,848.36 : x
  2. Step 2: Convert to fraction form
    282,173.80/389,414.02 = 154,848.36/x
  3. Step 3: Cross multiply
    282,173.80x = 389,414.02 × 154,848.36
  4. Step 4: Simplify right side
    282,173.80x = 60,300,122,358.01
  5. Step 5: Solve for x
    x = 60,300,122,358.01/282,173.80
  6. Step 6: Final answer
    x = 213,698.52

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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.