Home / 130,416.51-195,652.67-40,457.28

Finding the Fourth Proportional to 130,416.51, 195,652.67 and 40,457.28

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Solution

The fourth proportional to 130,416.51, 195,652.67 and 40,457.28 is: 60,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,416.51 : 195,652.67 = 40,457.28 : x
  2. Step 2: Convert to fraction form
    130,416.51/195,652.67 = 40,457.28/x
  3. Step 3: Cross multiply
    130,416.51x = 195,652.67 × 40,457.28
  4. Step 4: Simplify right side
    130,416.51x = 7,915,574,650.65
  5. Step 5: Solve for x
    x = 7,915,574,650.65/130,416.51
  6. Step 6: Final answer
    x = 60,694.58

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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.