Home / 130,282.29-195,275.21-55,355.67

Finding the Fourth Proportional to 130,282.29, 195,275.21 and 55,355.67

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Solution

The fourth proportional to 130,282.29, 195,275.21 and 55,355.67 is: 82,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,282.29 : 195,275.21 = 55,355.67 : x
  2. Step 2: Convert to fraction form
    130,282.29/195,275.21 = 55,355.67/x
  3. Step 3: Cross multiply
    130,282.29x = 195,275.21 × 55,355.67
  4. Step 4: Simplify right side
    130,282.29x = 10,809,589,807.16
  5. Step 5: Solve for x
    x = 10,809,589,807.16/130,282.29
  6. Step 6: Final answer
    x = 82,970.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.