Home / 356,365.20-491,780.06-193,017.64

Finding the Fourth Proportional to 356,365.20, 491,780.06 and 193,017.64

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Solution

The fourth proportional to 356,365.20, 491,780.06 and 193,017.64 is: 266,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,365.20 : 491,780.06 = 193,017.64 : x
  2. Step 2: Convert to fraction form
    356,365.20/491,780.06 = 193,017.64/x
  3. Step 3: Cross multiply
    356,365.20x = 491,780.06 × 193,017.64
  4. Step 4: Simplify right side
    356,365.20x = 94,922,223,156.27
  5. Step 5: Solve for x
    x = 94,922,223,156.27/356,365.20
  6. Step 6: Final answer
    x = 266,362.22

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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.