Home / 130,204.24-179,607.10-76,479.37

Finding the Fourth Proportional to 130,204.24, 179,607.10 and 76,479.37

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Solution

The fourth proportional to 130,204.24, 179,607.10 and 76,479.37 is: 105,497.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,204.24 : 179,607.10 = 76,479.37 : x
  2. Step 2: Convert to fraction form
    130,204.24/179,607.10 = 76,479.37/x
  3. Step 3: Cross multiply
    130,204.24x = 179,607.10 × 76,479.37
  4. Step 4: Simplify right side
    130,204.24x = 13,736,237,855.53
  5. Step 5: Solve for x
    x = 13,736,237,855.53/130,204.24
  6. Step 6: Final answer
    x = 105,497.62

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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.