Home / 127,102.77-190,655.61-38,357.04

Finding the Fourth Proportional to 127,102.77, 190,655.61 and 38,357.04

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Solution

The fourth proportional to 127,102.77, 190,655.61 and 38,357.04 is: 57,536.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,102.77 : 190,655.61 = 38,357.04 : x
  2. Step 2: Convert to fraction form
    127,102.77/190,655.61 = 38,357.04/x
  3. Step 3: Cross multiply
    127,102.77x = 190,655.61 × 38,357.04
  4. Step 4: Simplify right side
    127,102.77x = 7,312,984,858.99
  5. Step 5: Solve for x
    x = 7,312,984,858.99/127,102.77
  6. Step 6: Final answer
    x = 57,536.00

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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.