Home / 191,781.37-264,661.77-106,889.32

Finding the Fourth Proportional to 191,781.37, 264,661.77 and 106,889.32

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Solution

The fourth proportional to 191,781.37, 264,661.77 and 106,889.32 is: 147,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,781.37 : 264,661.77 = 106,889.32 : x
  2. Step 2: Convert to fraction form
    191,781.37/264,661.77 = 106,889.32/x
  3. Step 3: Cross multiply
    191,781.37x = 264,661.77 × 106,889.32
  4. Step 4: Simplify right side
    191,781.37x = 28,289,516,625.30
  5. Step 5: Solve for x
    x = 28,289,516,625.30/191,781.37
  6. Step 6: Final answer
    x = 147,509.20

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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.