Home / 130,098.24-179,423.04-84,759.12

Finding the Fourth Proportional to 130,098.24, 179,423.04 and 84,759.12

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Solution

The fourth proportional to 130,098.24, 179,423.04 and 84,759.12 is: 116,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,098.24 : 179,423.04 = 84,759.12 : x
  2. Step 2: Convert to fraction form
    130,098.24/179,423.04 = 84,759.12/x
  3. Step 3: Cross multiply
    130,098.24x = 179,423.04 × 84,759.12
  4. Step 4: Simplify right side
    130,098.24x = 15,207,738,978.12
  5. Step 5: Solve for x
    x = 15,207,738,978.12/130,098.24
  6. Step 6: Final answer
    x = 116,894.27

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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.