Home / 129,199.40-193,802.76-35,705.16

Finding the Fourth Proportional to 129,199.40, 193,802.76 and 35,705.16

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Solution

The fourth proportional to 129,199.40, 193,802.76 and 35,705.16 is: 53,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,199.40 : 193,802.76 = 35,705.16 : x
  2. Step 2: Convert to fraction form
    129,199.40/193,802.76 = 35,705.16/x
  3. Step 3: Cross multiply
    129,199.40x = 193,802.76 × 35,705.16
  4. Step 4: Simplify right side
    129,199.40x = 6,919,758,554.24
  5. Step 5: Solve for x
    x = 6,919,758,554.24/129,199.40
  6. Step 6: Final answer
    x = 53,558.75

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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.