Home / 286,282.22-429,247-96,724.68

Finding the Fourth Proportional to 286,282.22, 429,247 and 96,724.68

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Solution

The fourth proportional to 286,282.22, 429,247 and 96,724.68 is: 145,027.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,282.22 : 429,247 = 96,724.68 : x
  2. Step 2: Convert to fraction form
    286,282.22/429,247 = 96,724.68/x
  3. Step 3: Cross multiply
    286,282.22x = 429,247 × 96,724.68
  4. Step 4: Simplify right side
    286,282.22x = 41,518,776,569.73
  5. Step 5: Solve for x
    x = 41,518,776,569.73/286,282.22
  6. Step 6: Final answer
    x = 145,027.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.