Home / 127,209.13-190,637.15-56,025.02

Finding the Fourth Proportional to 127,209.13, 190,637.15 and 56,025.02

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Solution

The fourth proportional to 127,209.13, 190,637.15 and 56,025.02 is: 83,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,209.13 : 190,637.15 = 56,025.02 : x
  2. Step 2: Convert to fraction form
    127,209.13/190,637.15 = 56,025.02/x
  3. Step 3: Cross multiply
    127,209.13x = 190,637.15 × 56,025.02
  4. Step 4: Simplify right side
    127,209.13x = 10,680,449,265.63
  5. Step 5: Solve for x
    x = 10,680,449,265.63/127,209.13
  6. Step 6: Final answer
    x = 83,959.77

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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.