Home / 130,917.35-196,192.98-70,816.10

Finding the Fourth Proportional to 130,917.35, 196,192.98 and 70,816.10

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Solution

The fourth proportional to 130,917.35, 196,192.98 and 70,816.10 is: 106,125.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,917.35 : 196,192.98 = 70,816.10 : x
  2. Step 2: Convert to fraction form
    130,917.35/196,192.98 = 70,816.10/x
  3. Step 3: Cross multiply
    130,917.35x = 196,192.98 × 70,816.10
  4. Step 4: Simplify right side
    130,917.35x = 13,893,620,710.01
  5. Step 5: Solve for x
    x = 13,893,620,710.01/130,917.35
  6. Step 6: Final answer
    x = 106,125.13

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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.