Home / 130,993.79-196,490.63-56,065.34

Finding the Fourth Proportional to 130,993.79, 196,490.63 and 56,065.34

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Solution

The fourth proportional to 130,993.79, 196,490.63 and 56,065.34 is: 84,097.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,993.79 : 196,490.63 = 56,065.34 : x
  2. Step 2: Convert to fraction form
    130,993.79/196,490.63 = 56,065.34/x
  3. Step 3: Cross multiply
    130,993.79x = 196,490.63 × 56,065.34
  4. Step 4: Simplify right side
    130,993.79x = 11,016,312,714.98
  5. Step 5: Solve for x
    x = 11,016,312,714.98/130,993.79
  6. Step 6: Final answer
    x = 84,097.98

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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.