Home / 127,411.53-190,042.28-110,639.67

Finding the Fourth Proportional to 127,411.53, 190,042.28 and 110,639.67

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Solution

The fourth proportional to 127,411.53, 190,042.28 and 110,639.67 is: 165,026.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,411.53 : 190,042.28 = 110,639.67 : x
  2. Step 2: Convert to fraction form
    127,411.53/190,042.28 = 110,639.67/x
  3. Step 3: Cross multiply
    127,411.53x = 190,042.28 × 110,639.67
  4. Step 4: Simplify right side
    127,411.53x = 21,026,214,592.05
  5. Step 5: Solve for x
    x = 21,026,214,592.05/127,411.53
  6. Step 6: Final answer
    x = 165,026.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.