Home / 130,426.92-195,679.38-74,984.04

Finding the Fourth Proportional to 130,426.92, 195,679.38 and 74,984.04

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Solution

The fourth proportional to 130,426.92, 195,679.38 and 74,984.04 is: 112,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,426.92 : 195,679.38 = 74,984.04 : x
  2. Step 2: Convert to fraction form
    130,426.92/195,679.38 = 74,984.04/x
  3. Step 3: Cross multiply
    130,426.92x = 195,679.38 × 74,984.04
  4. Step 4: Simplify right side
    130,426.92x = 14,672,830,457.10
  5. Step 5: Solve for x
    x = 14,672,830,457.10/130,426.92
  6. Step 6: Final answer
    x = 112,498.48

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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.