Home / 127,102.58-190,658.83-38,356.10

Finding the Fourth Proportional to 127,102.58, 190,658.83 and 38,356.10

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Solution

The fourth proportional to 127,102.58, 190,658.83 and 38,356.10 is: 57,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,102.58 : 190,658.83 = 38,356.10 : x
  2. Step 2: Convert to fraction form
    127,102.58/190,658.83 = 38,356.10/x
  3. Step 3: Cross multiply
    127,102.58x = 190,658.83 × 38,356.10
  4. Step 4: Simplify right side
    127,102.58x = 7,312,929,149.36
  5. Step 5: Solve for x
    x = 7,312,929,149.36/127,102.58
  6. Step 6: Final answer
    x = 57,535.65

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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.