Home / 190,252.88-262,385.16-118,558.16

Finding the Fourth Proportional to 190,252.88, 262,385.16 and 118,558.16

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Solution

The fourth proportional to 190,252.88, 262,385.16 and 118,558.16 is: 163,508.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,252.88 : 262,385.16 = 118,558.16 : x
  2. Step 2: Convert to fraction form
    190,252.88/262,385.16 = 118,558.16/x
  3. Step 3: Cross multiply
    190,252.88x = 262,385.16 × 118,558.16
  4. Step 4: Simplify right side
    190,252.88x = 31,107,901,780.91
  5. Step 5: Solve for x
    x = 31,107,901,780.91/190,252.88
  6. Step 6: Final answer
    x = 163,508.18

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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.