Home / 130,417.64-195,494.10-74,141.48

Finding the Fourth Proportional to 130,417.64, 195,494.10 and 74,141.48

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Solution

The fourth proportional to 130,417.64, 195,494.10 and 74,141.48 is: 111,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,417.64 : 195,494.10 = 74,141.48 : x
  2. Step 2: Convert to fraction form
    130,417.64/195,494.10 = 74,141.48/x
  3. Step 3: Cross multiply
    130,417.64x = 195,494.10 × 74,141.48
  4. Step 4: Simplify right side
    130,417.64x = 14,494,221,905.27
  5. Step 5: Solve for x
    x = 14,494,221,905.27/130,417.64
  6. Step 6: Final answer
    x = 111,136.97

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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.