Home / 130,226.47-179,659.62-84,888.54

Finding the Fourth Proportional to 130,226.47, 179,659.62 and 84,888.54

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Solution

The fourth proportional to 130,226.47, 179,659.62 and 84,888.54 is: 117,111.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,226.47 : 179,659.62 = 84,888.54 : x
  2. Step 2: Convert to fraction form
    130,226.47/179,659.62 = 84,888.54/x
  3. Step 3: Cross multiply
    130,226.47x = 179,659.62 × 84,888.54
  4. Step 4: Simplify right side
    130,226.47x = 15,251,042,838.75
  5. Step 5: Solve for x
    x = 15,251,042,838.75/130,226.47
  6. Step 6: Final answer
    x = 117,111.70

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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.