Home / 146,403.50-202,036.83-79,335.50

Finding the Fourth Proportional to 146,403.50, 202,036.83 and 79,335.50

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Solution

The fourth proportional to 146,403.50, 202,036.83 and 79,335.50 is: 109,482.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,403.50 : 202,036.83 = 79,335.50 : x
  2. Step 2: Convert to fraction form
    146,403.50/202,036.83 = 79,335.50/x
  3. Step 3: Cross multiply
    146,403.50x = 202,036.83 × 79,335.50
  4. Step 4: Simplify right side
    146,403.50x = 16,028,692,926.47
  5. Step 5: Solve for x
    x = 16,028,692,926.47/146,403.50
  6. Step 6: Final answer
    x = 109,482.99

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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.