Home / 126,962.56-190,446.54-42,725.26

Finding the Fourth Proportional to 126,962.56, 190,446.54 and 42,725.26

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Solution

The fourth proportional to 126,962.56, 190,446.54 and 42,725.26 is: 64,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,962.56 : 190,446.54 = 42,725.26 : x
  2. Step 2: Convert to fraction form
    126,962.56/190,446.54 = 42,725.26/x
  3. Step 3: Cross multiply
    126,962.56x = 190,446.54 × 42,725.26
  4. Step 4: Simplify right side
    126,962.56x = 8,136,877,937.60
  5. Step 5: Solve for x
    x = 8,136,877,937.60/126,962.56
  6. Step 6: Final answer
    x = 64,088.80

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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.