Home / 164,720.87-227,145.08-140,926.31

Finding the Fourth Proportional to 164,720.87, 227,145.08 and 140,926.31

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Solution

The fourth proportional to 164,720.87, 227,145.08 and 140,926.31 is: 194,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,720.87 : 227,145.08 = 140,926.31 : x
  2. Step 2: Convert to fraction form
    164,720.87/227,145.08 = 140,926.31/x
  3. Step 3: Cross multiply
    164,720.87x = 227,145.08 × 140,926.31
  4. Step 4: Simplify right side
    164,720.87x = 32,010,716,118.70
  5. Step 5: Solve for x
    x = 32,010,716,118.70/164,720.87
  6. Step 6: Final answer
    x = 194,333.10

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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.