Home / 130,098.40-195,029.28-46,972.96

Finding the Fourth Proportional to 130,098.40, 195,029.28 and 46,972.96

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Solution

The fourth proportional to 130,098.40, 195,029.28 and 46,972.96 is: 70,416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,098.40 : 195,029.28 = 46,972.96 : x
  2. Step 2: Convert to fraction form
    130,098.40/195,029.28 = 46,972.96/x
  3. Step 3: Cross multiply
    130,098.40x = 195,029.28 × 46,972.96
  4. Step 4: Simplify right side
    130,098.40x = 9,161,102,568.27
  5. Step 5: Solve for x
    x = 9,161,102,568.27/130,098.40
  6. Step 6: Final answer
    x = 70,416.72

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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.