Home / 149,695.19-206,228.45-104,291.04

Finding the Fourth Proportional to 149,695.19, 206,228.45 and 104,291.04

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Solution

The fourth proportional to 149,695.19, 206,228.45 and 104,291.04 is: 143,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,695.19 : 206,228.45 = 104,291.04 : x
  2. Step 2: Convert to fraction form
    149,695.19/206,228.45 = 104,291.04/x
  3. Step 3: Cross multiply
    149,695.19x = 206,228.45 × 104,291.04
  4. Step 4: Simplify right side
    149,695.19x = 21,507,779,006.63
  5. Step 5: Solve for x
    x = 21,507,779,006.63/149,695.19
  6. Step 6: Final answer
    x = 143,677.16

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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.