Home / 127,226.22-190,870.38-89,859.30

Finding the Fourth Proportional to 127,226.22, 190,870.38 and 89,859.30

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Solution

The fourth proportional to 127,226.22, 190,870.38 and 89,859.30 is: 134,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,226.22 : 190,870.38 = 89,859.30 : x
  2. Step 2: Convert to fraction form
    127,226.22/190,870.38 = 89,859.30/x
  3. Step 3: Cross multiply
    127,226.22x = 190,870.38 × 89,859.30
  4. Step 4: Simplify right side
    127,226.22x = 17,151,478,737.53
  5. Step 5: Solve for x
    x = 17,151,478,737.53/127,226.22
  6. Step 6: Final answer
    x = 134,810.88

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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.