Home / 191,416.32-264,095.16-108,616.80

Finding the Fourth Proportional to 191,416.32, 264,095.16 and 108,616.80

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Solution

The fourth proportional to 191,416.32, 264,095.16 and 108,616.80 is: 149,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,416.32 : 264,095.16 = 108,616.80 : x
  2. Step 2: Convert to fraction form
    191,416.32/264,095.16 = 108,616.80/x
  3. Step 3: Cross multiply
    191,416.32x = 264,095.16 × 108,616.80
  4. Step 4: Simplify right side
    191,416.32x = 28,685,171,174.69
  5. Step 5: Solve for x
    x = 28,685,171,174.69/191,416.32
  6. Step 6: Final answer
    x = 149,857.50

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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.