Home / 282,097.55-389,320.99-161,215.23

Finding the Fourth Proportional to 282,097.55, 389,320.99 and 161,215.23

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Solution

The fourth proportional to 282,097.55, 389,320.99 and 161,215.23 is: 222,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,097.55 : 389,320.99 = 161,215.23 : x
  2. Step 2: Convert to fraction form
    282,097.55/389,320.99 = 161,215.23/x
  3. Step 3: Cross multiply
    282,097.55x = 389,320.99 × 161,215.23
  4. Step 4: Simplify right side
    282,097.55x = 62,764,472,543.64
  5. Step 5: Solve for x
    x = 62,764,472,543.64/282,097.55
  6. Step 6: Final answer
    x = 222,492.08

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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.