Home / 127,022.50-190,576.44-89,111.26

Finding the Fourth Proportional to 127,022.50, 190,576.44 and 89,111.26

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Solution

The fourth proportional to 127,022.50, 190,576.44 and 89,111.26 is: 133,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,022.50 : 190,576.44 = 89,111.26 : x
  2. Step 2: Convert to fraction form
    127,022.50/190,576.44 = 89,111.26/x
  3. Step 3: Cross multiply
    127,022.50x = 190,576.44 × 89,111.26
  4. Step 4: Simplify right side
    127,022.50x = 16,982,506,694.71
  5. Step 5: Solve for x
    x = 16,982,506,694.71/127,022.50
  6. Step 6: Final answer
    x = 133,696.84

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1.5x scale

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.