Home / 129,407.51-194,110.14-35,913.26

Finding the Fourth Proportional to 129,407.51, 194,110.14 and 35,913.26

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Solution

The fourth proportional to 129,407.51, 194,110.14 and 35,913.26 is: 53,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,407.51 : 194,110.14 = 35,913.26 : x
  2. Step 2: Convert to fraction form
    129,407.51/194,110.14 = 35,913.26/x
  3. Step 3: Cross multiply
    129,407.51x = 194,110.14 × 35,913.26
  4. Step 4: Simplify right side
    129,407.51x = 6,971,127,926.46
  5. Step 5: Solve for x
    x = 6,971,127,926.46/129,407.51
  6. Step 6: Final answer
    x = 53,869.58

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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.