Home / 116,106.86-160,236.77-68,369.51

Finding the Fourth Proportional to 116,106.86, 160,236.77 and 68,369.51

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Solution

The fourth proportional to 116,106.86, 160,236.77 and 68,369.51 is: 94,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,106.86 : 160,236.77 = 68,369.51 : x
  2. Step 2: Convert to fraction form
    116,106.86/160,236.77 = 68,369.51/x
  3. Step 3: Cross multiply
    116,106.86x = 160,236.77 × 68,369.51
  4. Step 4: Simplify right side
    116,106.86x = 10,955,309,507.63
  5. Step 5: Solve for x
    x = 10,955,309,507.63/116,106.86
  6. Step 6: Final answer
    x = 94,355.40

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1.5x scale

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.