Home / 190,437.49-262,794.67-109,890.91

Finding the Fourth Proportional to 190,437.49, 262,794.67 and 109,890.91

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Solution

The fourth proportional to 190,437.49, 262,794.67 and 109,890.91 is: 151,644.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,437.49 : 262,794.67 = 109,890.91 : x
  2. Step 2: Convert to fraction form
    190,437.49/262,794.67 = 109,890.91/x
  3. Step 3: Cross multiply
    190,437.49x = 262,794.67 × 109,890.91
  4. Step 4: Simplify right side
    190,437.49x = 28,878,745,429.45
  5. Step 5: Solve for x
    x = 28,878,745,429.45/190,437.49
  6. Step 6: Final answer
    x = 151,644.22

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1.5x scale

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.