Home / 130,688.52-196,009.28-34,626.40

Finding the Fourth Proportional to 130,688.52, 196,009.28 and 34,626.40

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Solution

The fourth proportional to 130,688.52, 196,009.28 and 34,626.40 is: 51,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,688.52 : 196,009.28 = 34,626.40 : x
  2. Step 2: Convert to fraction form
    130,688.52/196,009.28 = 34,626.40/x
  3. Step 3: Cross multiply
    130,688.52x = 196,009.28 × 34,626.40
  4. Step 4: Simplify right side
    130,688.52x = 6,787,095,732.99
  5. Step 5: Solve for x
    x = 6,787,095,732.99/130,688.52
  6. Step 6: Final answer
    x = 51,933.37

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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.