Home / 113,569.86-156,763.15-73,252.51

Finding the Fourth Proportional to 113,569.86, 156,763.15 and 73,252.51

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Solution

The fourth proportional to 113,569.86, 156,763.15 and 73,252.51 is: 101,112.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,569.86 : 156,763.15 = 73,252.51 : x
  2. Step 2: Convert to fraction form
    113,569.86/156,763.15 = 73,252.51/x
  3. Step 3: Cross multiply
    113,569.86x = 156,763.15 × 73,252.51
  4. Step 4: Simplify right side
    113,569.86x = 11,483,294,213.01
  5. Step 5: Solve for x
    x = 11,483,294,213.01/113,569.86
  6. Step 6: Final answer
    x = 101,112.16

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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.