Home / 130,016.61-179,435.66-79,024.88

Finding the Fourth Proportional to 130,016.61, 179,435.66 and 79,024.88

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Solution

The fourth proportional to 130,016.61, 179,435.66 and 79,024.88 is: 109,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,016.61 : 179,435.66 = 79,024.88 : x
  2. Step 2: Convert to fraction form
    130,016.61/179,435.66 = 79,024.88/x
  3. Step 3: Cross multiply
    130,016.61x = 179,435.66 × 79,024.88
  4. Step 4: Simplify right side
    130,016.61x = 14,179,881,552.69
  5. Step 5: Solve for x
    x = 14,179,881,552.69/130,016.61
  6. Step 6: Final answer
    x = 109,062.08

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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.