Home / 113,376.45-156,675.29-85,032.93

Finding the Fourth Proportional to 113,376.45, 156,675.29 and 85,032.93

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Solution

The fourth proportional to 113,376.45, 156,675.29 and 85,032.93 is: 117,507.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,376.45 : 156,675.29 = 85,032.93 : x
  2. Step 2: Convert to fraction form
    113,376.45/156,675.29 = 85,032.93/x
  3. Step 3: Cross multiply
    113,376.45x = 156,675.29 × 85,032.93
  4. Step 4: Simplify right side
    113,376.45x = 13,322,558,967.30
  5. Step 5: Solve for x
    x = 13,322,558,967.30/113,376.45
  6. Step 6: Final answer
    x = 117,507.29

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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.