Home / 282,032.01-389,200.55-161,171.91

Finding the Fourth Proportional to 282,032.01, 389,200.55 and 161,171.91

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Solution

The fourth proportional to 282,032.01, 389,200.55 and 161,171.91 is: 222,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,032.01 : 389,200.55 = 161,171.91 : x
  2. Step 2: Convert to fraction form
    282,032.01/389,200.55 = 161,171.91/x
  3. Step 3: Cross multiply
    282,032.01x = 389,200.55 × 161,171.91
  4. Step 4: Simplify right side
    282,032.01x = 62,728,195,210.69
  5. Step 5: Solve for x
    x = 62,728,195,210.69/282,032.01
  6. Step 6: Final answer
    x = 222,415.16

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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.