Home / 154,316.94-231,097.91-139,357.86

Finding the Fourth Proportional to 154,316.94, 231,097.91 and 139,357.86

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Solution

The fourth proportional to 154,316.94, 231,097.91 and 139,357.86 is: 208,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,316.94 : 231,097.91 = 139,357.86 : x
  2. Step 2: Convert to fraction form
    154,316.94/231,097.91 = 139,357.86/x
  3. Step 3: Cross multiply
    154,316.94x = 231,097.91 × 139,357.86
  4. Step 4: Simplify right side
    154,316.94x = 32,205,310,188.07
  5. Step 5: Solve for x
    x = 32,205,310,188.07/154,316.94
  6. Step 6: Final answer
    x = 208,695.88

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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.