Home / 190,248.88-262,379.64-118,554.16

Finding the Fourth Proportional to 190,248.88, 262,379.64 and 118,554.16

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Solution

The fourth proportional to 190,248.88, 262,379.64 and 118,554.16 is: 163,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,248.88 : 262,379.64 = 118,554.16 : x
  2. Step 2: Convert to fraction form
    190,248.88/262,379.64 = 118,554.16/x
  3. Step 3: Cross multiply
    190,248.88x = 262,379.64 × 118,554.16
  4. Step 4: Simplify right side
    190,248.88x = 31,106,197,821.30
  5. Step 5: Solve for x
    x = 31,106,197,821.30/190,248.88
  6. Step 6: Final answer
    x = 163,502.66

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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.