Home / 127,827.72-191,744.01-43,607.16

Finding the Fourth Proportional to 127,827.72, 191,744.01 and 43,607.16

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Solution

The fourth proportional to 127,827.72, 191,744.01 and 43,607.16 is: 65,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,827.72 : 191,744.01 = 43,607.16 : x
  2. Step 2: Convert to fraction form
    127,827.72/191,744.01 = 43,607.16/x
  3. Step 3: Cross multiply
    127,827.72x = 191,744.01 × 43,607.16
  4. Step 4: Simplify right side
    127,827.72x = 8,361,411,723.11
  5. Step 5: Solve for x
    x = 8,361,411,723.11/127,827.72
  6. Step 6: Final answer
    x = 65,411.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.