Home / 282,182.08-389,396.38-161,307.40

Finding the Fourth Proportional to 282,182.08, 389,396.38 and 161,307.40

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Solution

The fourth proportional to 282,182.08, 389,396.38 and 161,307.40 is: 222,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,182.08 : 389,396.38 = 161,307.40 : x
  2. Step 2: Convert to fraction form
    282,182.08/389,396.38 = 161,307.40/x
  3. Step 3: Cross multiply
    282,182.08x = 389,396.38 × 161,307.40
  4. Step 4: Simplify right side
    282,182.08x = 62,812,517,627.21
  5. Step 5: Solve for x
    x = 62,812,517,627.21/282,182.08
  6. Step 6: Final answer
    x = 222,595.70

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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.