Home / 119,272.16-164,592.24-65,557.28

Finding the Fourth Proportional to 119,272.16, 164,592.24 and 65,557.28

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Solution

The fourth proportional to 119,272.16, 164,592.24 and 65,557.28 is: 90,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,272.16 : 164,592.24 = 65,557.28 : x
  2. Step 2: Convert to fraction form
    119,272.16/164,592.24 = 65,557.28/x
  3. Step 3: Cross multiply
    119,272.16x = 164,592.24 × 65,557.28
  4. Step 4: Simplify right side
    119,272.16x = 10,790,219,563.51
  5. Step 5: Solve for x
    x = 10,790,219,563.51/119,272.16
  6. Step 6: Final answer
    x = 90,467.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.