Home / 205,598.12-283,639.45-160,197.28

Finding the Fourth Proportional to 205,598.12, 283,639.45 and 160,197.28

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Solution

The fourth proportional to 205,598.12, 283,639.45 and 160,197.28 is: 221,005.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,598.12 : 283,639.45 = 160,197.28 : x
  2. Step 2: Convert to fraction form
    205,598.12/283,639.45 = 160,197.28/x
  3. Step 3: Cross multiply
    205,598.12x = 283,639.45 × 160,197.28
  4. Step 4: Simplify right side
    205,598.12x = 45,438,268,390.70
  5. Step 5: Solve for x
    x = 45,438,268,390.70/205,598.12
  6. Step 6: Final answer
    x = 221,005.27

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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.