Home / 199,764.32-275,730.36-114,908.72

Finding the Fourth Proportional to 199,764.32, 275,730.36 and 114,908.72

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Solution

The fourth proportional to 199,764.32, 275,730.36 and 114,908.72 is: 158,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,764.32 : 275,730.36 = 114,908.72 : x
  2. Step 2: Convert to fraction form
    199,764.32/275,730.36 = 114,908.72/x
  3. Step 3: Cross multiply
    199,764.32x = 275,730.36 × 114,908.72
  4. Step 4: Simplify right side
    199,764.32x = 31,683,822,732.74
  5. Step 5: Solve for x
    x = 31,683,822,732.74/199,764.32
  6. Step 6: Final answer
    x = 158,606.01

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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.