Home / 127,267.10-190,843.05-57,110.30

Finding the Fourth Proportional to 127,267.10, 190,843.05 and 57,110.30

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Solution

The fourth proportional to 127,267.10, 190,843.05 and 57,110.30 is: 85,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,267.10 : 190,843.05 = 57,110.30 : x
  2. Step 2: Convert to fraction form
    127,267.10/190,843.05 = 57,110.30/x
  3. Step 3: Cross multiply
    127,267.10x = 190,843.05 × 57,110.30
  4. Step 4: Simplify right side
    127,267.10x = 10,899,103,838.42
  5. Step 5: Solve for x
    x = 10,899,103,838.42/127,267.10
  6. Step 6: Final answer
    x = 85,639.60

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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.