Home / 288,336.16-432,505.32-189,124.12

Finding the Fourth Proportional to 288,336.16, 432,505.32 and 189,124.12

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Solution

The fourth proportional to 288,336.16, 432,505.32 and 189,124.12 is: 283,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,336.16 : 432,505.32 = 189,124.12 : x
  2. Step 2: Convert to fraction form
    288,336.16/432,505.32 = 189,124.12/x
  3. Step 3: Cross multiply
    288,336.16x = 432,505.32 × 189,124.12
  4. Step 4: Simplify right side
    288,336.16x = 81,797,188,040.32
  5. Step 5: Solve for x
    x = 81,797,188,040.32/288,336.16
  6. Step 6: Final answer
    x = 283,686.89

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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.