Home / 130,421.70-195,674.54-59,369.76

Finding the Fourth Proportional to 130,421.70, 195,674.54 and 59,369.76

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Solution

The fourth proportional to 130,421.70, 195,674.54 and 59,369.76 is: 89,073.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,421.70 : 195,674.54 = 59,369.76 : x
  2. Step 2: Convert to fraction form
    130,421.70/195,674.54 = 59,369.76/x
  3. Step 3: Cross multiply
    130,421.70x = 195,674.54 × 59,369.76
  4. Step 4: Simplify right side
    130,421.70x = 11,617,150,181.06
  5. Step 5: Solve for x
    x = 11,617,150,181.06/130,421.70
  6. Step 6: Final answer
    x = 89,073.75

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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.