Home / 191,176-263,799.12-106,282.24

Finding the Fourth Proportional to 191,176, 263,799.12 and 106,282.24

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Solution

The fourth proportional to 191,176, 263,799.12 and 106,282.24 is: 146,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,176 : 263,799.12 = 106,282.24 : x
  2. Step 2: Convert to fraction form
    191,176/263,799.12 = 106,282.24/x
  3. Step 3: Cross multiply
    191,176x = 263,799.12 × 106,282.24
  4. Step 4: Simplify right side
    191,176x = 28,037,161,383.63
  5. Step 5: Solve for x
    x = 28,037,161,383.63/191,176
  6. Step 6: Final answer
    x = 146,656.28

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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.