Home / 130,260.63-179,759.66-73,670.79

Finding the Fourth Proportional to 130,260.63, 179,759.66 and 73,670.79

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Solution

The fourth proportional to 130,260.63, 179,759.66 and 73,670.79 is: 101,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,260.63 : 179,759.66 = 73,670.79 : x
  2. Step 2: Convert to fraction form
    130,260.63/179,759.66 = 73,670.79/x
  3. Step 3: Cross multiply
    130,260.63x = 179,759.66 × 73,670.79
  4. Step 4: Simplify right side
    130,260.63x = 13,243,036,162.33
  5. Step 5: Solve for x
    x = 13,243,036,162.33/130,260.63
  6. Step 6: Final answer
    x = 101,665.68

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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.