Home / 179,703.32-247,989.89-99,135.86

Finding the Fourth Proportional to 179,703.32, 247,989.89 and 99,135.86

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Solution

The fourth proportional to 179,703.32, 247,989.89 and 99,135.86 is: 136,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,703.32 : 247,989.89 = 99,135.86 : x
  2. Step 2: Convert to fraction form
    179,703.32/247,989.89 = 99,135.86/x
  3. Step 3: Cross multiply
    179,703.32x = 247,989.89 × 99,135.86
  4. Step 4: Simplify right side
    179,703.32x = 24,584,690,520.78
  5. Step 5: Solve for x
    x = 24,584,690,520.78/179,703.32
  6. Step 6: Final answer
    x = 136,807.10

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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.