Home / 175,807.20-263,710.80-109,322.40

Finding the Fourth Proportional to 175,807.20, 263,710.80 and 109,322.40

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Solution

The fourth proportional to 175,807.20, 263,710.80 and 109,322.40 is: 163,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,807.20 : 263,710.80 = 109,322.40 : x
  2. Step 2: Convert to fraction form
    175,807.20/263,710.80 = 109,322.40/x
  3. Step 3: Cross multiply
    175,807.20x = 263,710.80 × 109,322.40
  4. Step 4: Simplify right side
    175,807.20x = 28,829,497,561.92
  5. Step 5: Solve for x
    x = 28,829,497,561.92/175,807.20
  6. Step 6: Final answer
    x = 163,983.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.