Home / 205,284.96-283,287.72-114,638.40

Finding the Fourth Proportional to 205,284.96, 283,287.72 and 114,638.40

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Solution

The fourth proportional to 205,284.96, 283,287.72 and 114,638.40 is: 158,197.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,284.96 : 283,287.72 = 114,638.40 : x
  2. Step 2: Convert to fraction form
    205,284.96/283,287.72 = 114,638.40/x
  3. Step 3: Cross multiply
    205,284.96x = 283,287.72 × 114,638.40
  4. Step 4: Simplify right side
    205,284.96x = 32,475,650,960.45
  5. Step 5: Solve for x
    x = 32,475,650,960.45/205,284.96
  6. Step 6: Final answer
    x = 158,197.91

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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.