Home / 205,018.12-282,924.74-115,594.12

Finding the Fourth Proportional to 205,018.12, 282,924.74 and 115,594.12

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Solution

The fourth proportional to 205,018.12, 282,924.74 and 115,594.12 is: 159,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,018.12 : 282,924.74 = 115,594.12 : x
  2. Step 2: Convert to fraction form
    205,018.12/282,924.74 = 115,594.12/x
  3. Step 3: Cross multiply
    205,018.12x = 282,924.74 × 115,594.12
  4. Step 4: Simplify right side
    205,018.12x = 32,704,436,346.53
  5. Step 5: Solve for x
    x = 32,704,436,346.53/205,018.12
  6. Step 6: Final answer
    x = 159,519.74

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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.