Home / 130,055.16-195,081.80-41,315.64

Finding the Fourth Proportional to 130,055.16, 195,081.80 and 41,315.64

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Solution

The fourth proportional to 130,055.16, 195,081.80 and 41,315.64 is: 61,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,055.16 : 195,081.80 = 41,315.64 : x
  2. Step 2: Convert to fraction form
    130,055.16/195,081.80 = 41,315.64/x
  3. Step 3: Cross multiply
    130,055.16x = 195,081.80 × 41,315.64
  4. Step 4: Simplify right side
    130,055.16x = 8,059,929,419.35
  5. Step 5: Solve for x
    x = 8,059,929,419.35/130,055.16
  6. Step 6: Final answer
    x = 61,973.16

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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.