Home / 175,400.04-242,045.64-99,933.96

Finding the Fourth Proportional to 175,400.04, 242,045.64 and 99,933.96

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Solution

The fourth proportional to 175,400.04, 242,045.64 and 99,933.96 is: 137,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,400.04 : 242,045.64 = 99,933.96 : x
  2. Step 2: Convert to fraction form
    175,400.04/242,045.64 = 99,933.96/x
  3. Step 3: Cross multiply
    175,400.04x = 242,045.64 × 99,933.96
  4. Step 4: Simplify right side
    175,400.04x = 24,188,579,305.93
  5. Step 5: Solve for x
    x = 24,188,579,305.93/175,400.04
  6. Step 6: Final answer
    x = 137,905.21

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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.