Home / 130,984.87-196,312.90-56,016.83

Finding the Fourth Proportional to 130,984.87, 196,312.90 and 56,016.83

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Solution

The fourth proportional to 130,984.87, 196,312.90 and 56,016.83 is: 83,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,984.87 : 196,312.90 = 56,016.83 : x
  2. Step 2: Convert to fraction form
    130,984.87/196,312.90 = 56,016.83/x
  3. Step 3: Cross multiply
    130,984.87x = 196,312.90 × 56,016.83
  4. Step 4: Simplify right side
    130,984.87x = 10,996,826,346.11
  5. Step 5: Solve for x
    x = 10,996,826,346.11/130,984.87
  6. Step 6: Final answer
    x = 83,954.94

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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.