Home / 199,947.70-275,927.16-109,303.64

Finding the Fourth Proportional to 199,947.70, 275,927.16 and 109,303.64

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Solution

The fourth proportional to 199,947.70, 275,927.16 and 109,303.64 is: 150,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,947.70 : 275,927.16 = 109,303.64 : x
  2. Step 2: Convert to fraction form
    199,947.70/275,927.16 = 109,303.64/x
  3. Step 3: Cross multiply
    199,947.70x = 275,927.16 × 109,303.64
  4. Step 4: Simplify right side
    199,947.70x = 30,159,842,962.86
  5. Step 5: Solve for x
    x = 30,159,842,962.86/199,947.70
  6. Step 6: Final answer
    x = 150,838.66

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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.