Home / 130,980.34-196,306.15-56,012.34

Finding the Fourth Proportional to 130,980.34, 196,306.15 and 56,012.34

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Solution

The fourth proportional to 130,980.34, 196,306.15 and 56,012.34 is: 83,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,980.34 : 196,306.15 = 56,012.34 : x
  2. Step 2: Convert to fraction form
    130,980.34/196,306.15 = 56,012.34/x
  3. Step 3: Cross multiply
    130,980.34x = 196,306.15 × 56,012.34
  4. Step 4: Simplify right side
    130,980.34x = 10,995,565,626.40
  5. Step 5: Solve for x
    x = 10,995,565,626.40/130,980.34
  6. Step 6: Final answer
    x = 83,948.21

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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.