Home / 158,944.24-219,439.38-105,275.26

Finding the Fourth Proportional to 158,944.24, 219,439.38 and 105,275.26

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Solution

The fourth proportional to 158,944.24, 219,439.38 and 105,275.26 is: 145,343.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,944.24 : 219,439.38 = 105,275.26 : x
  2. Step 2: Convert to fraction form
    158,944.24/219,439.38 = 105,275.26/x
  3. Step 3: Cross multiply
    158,944.24x = 219,439.38 × 105,275.26
  4. Step 4: Simplify right side
    158,944.24x = 23,101,537,783.74
  5. Step 5: Solve for x
    x = 23,101,537,783.74/158,944.24
  6. Step 6: Final answer
    x = 145,343.66

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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.