Home / 159,176.10-219,694.16-91,238.56

Finding the Fourth Proportional to 159,176.10, 219,694.16 and 91,238.56

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Solution

The fourth proportional to 159,176.10, 219,694.16 and 91,238.56 is: 125,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,176.10 : 219,694.16 = 91,238.56 : x
  2. Step 2: Convert to fraction form
    159,176.10/219,694.16 = 91,238.56/x
  3. Step 3: Cross multiply
    159,176.10x = 219,694.16 × 91,238.56
  4. Step 4: Simplify right side
    159,176.10x = 20,044,578,798.81
  5. Step 5: Solve for x
    x = 20,044,578,798.81/159,176.10
  6. Step 6: Final answer
    x = 125,927.06

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1.5x scale

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.