Home / 126,936.81-175,172.90-70,348.19

Finding the Fourth Proportional to 126,936.81, 175,172.90 and 70,348.19

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Solution

The fourth proportional to 126,936.81, 175,172.90 and 70,348.19 is: 97,080.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,936.81 : 175,172.90 = 70,348.19 : x
  2. Step 2: Convert to fraction form
    126,936.81/175,172.90 = 70,348.19/x
  3. Step 3: Cross multiply
    126,936.81x = 175,172.90 × 70,348.19
  4. Step 4: Simplify right side
    126,936.81x = 12,323,095,224.45
  5. Step 5: Solve for x
    x = 12,323,095,224.45/126,936.81
  6. Step 6: Final answer
    x = 97,080.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.