Home / 127,909.10-191,996.72-94,213.16

Finding the Fourth Proportional to 127,909.10, 191,996.72 and 94,213.16

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Solution

The fourth proportional to 127,909.10, 191,996.72 and 94,213.16 is: 141,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,909.10 : 191,996.72 = 94,213.16 : x
  2. Step 2: Convert to fraction form
    127,909.10/191,996.72 = 94,213.16/x
  3. Step 3: Cross multiply
    127,909.10x = 191,996.72 × 94,213.16
  4. Step 4: Simplify right side
    127,909.10x = 18,088,616,269.79
  5. Step 5: Solve for x
    x = 18,088,616,269.79/127,909.10
  6. Step 6: Final answer
    x = 141,417.75

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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.