Home / 191,036.16-263,628-106,151.40

Finding the Fourth Proportional to 191,036.16, 263,628 and 106,151.40

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Solution

The fourth proportional to 191,036.16, 263,628 and 106,151.40 is: 146,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,036.16 : 263,628 = 106,151.40 : x
  2. Step 2: Convert to fraction form
    191,036.16/263,628 = 106,151.40/x
  3. Step 3: Cross multiply
    191,036.16x = 263,628 × 106,151.40
  4. Step 4: Simplify right side
    191,036.16x = 27,984,481,279.20
  5. Step 5: Solve for x
    x = 27,984,481,279.20/191,036.16
  6. Step 6: Final answer
    x = 146,487.88

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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.