Home / 282,899.56-390,290.90-161,976.22

Finding the Fourth Proportional to 282,899.56, 390,290.90 and 161,976.22

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Solution

The fourth proportional to 282,899.56, 390,290.90 and 161,976.22 is: 223,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,899.56 : 390,290.90 = 161,976.22 : x
  2. Step 2: Convert to fraction form
    282,899.56/390,290.90 = 161,976.22/x
  3. Step 3: Cross multiply
    282,899.56x = 390,290.90 × 161,976.22
  4. Step 4: Simplify right side
    282,899.56x = 63,217,844,682.40
  5. Step 5: Solve for x
    x = 63,217,844,682.40/282,899.56
  6. Step 6: Final answer
    x = 223,463.92

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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.