Home / 127,103.77-190,657.11-38,358.04

Finding the Fourth Proportional to 127,103.77, 190,657.11 and 38,358.04

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Solution

The fourth proportional to 127,103.77, 190,657.11 and 38,358.04 is: 57,537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,103.77 : 190,657.11 = 38,358.04 : x
  2. Step 2: Convert to fraction form
    127,103.77/190,657.11 = 38,358.04/x
  3. Step 3: Cross multiply
    127,103.77x = 190,657.11 × 38,358.04
  4. Step 4: Simplify right side
    127,103.77x = 7,313,233,051.66
  5. Step 5: Solve for x
    x = 7,313,233,051.66/127,103.77
  6. Step 6: Final answer
    x = 57,537.50

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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.