Home / 175,816.64-242,431.55-127,322.65

Finding the Fourth Proportional to 175,816.64, 242,431.55 and 127,322.65

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Solution

The fourth proportional to 175,816.64, 242,431.55 and 127,322.65 is: 175,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,816.64 : 242,431.55 = 127,322.65 : x
  2. Step 2: Convert to fraction form
    175,816.64/242,431.55 = 127,322.65/x
  3. Step 3: Cross multiply
    175,816.64x = 242,431.55 × 127,322.65
  4. Step 4: Simplify right side
    175,816.64x = 30,867,027,533.49
  5. Step 5: Solve for x
    x = 30,867,027,533.49/175,816.64
  6. Step 6: Final answer
    x = 175,563.74

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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.