Home / 282,141.96-389,363.04-154,817.52

Finding the Fourth Proportional to 282,141.96, 389,363.04 and 154,817.52

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Solution

The fourth proportional to 282,141.96, 389,363.04 and 154,817.52 is: 213,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,141.96 : 389,363.04 = 154,817.52 : x
  2. Step 2: Convert to fraction form
    282,141.96/389,363.04 = 154,817.52/x
  3. Step 3: Cross multiply
    282,141.96x = 389,363.04 × 154,817.52
  4. Step 4: Simplify right side
    282,141.96x = 60,280,220,232.46
  5. Step 5: Solve for x
    x = 60,280,220,232.46/282,141.96
  6. Step 6: Final answer
    x = 213,652.09

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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.