Home / 116,250.64-160,120.32-89,341.68

Finding the Fourth Proportional to 116,250.64, 160,120.32 and 89,341.68

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Solution

The fourth proportional to 116,250.64, 160,120.32 and 89,341.68 is: 123,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,250.64 : 160,120.32 = 89,341.68 : x
  2. Step 2: Convert to fraction form
    116,250.64/160,120.32 = 89,341.68/x
  3. Step 3: Cross multiply
    116,250.64x = 160,120.32 × 89,341.68
  4. Step 4: Simplify right side
    116,250.64x = 14,305,418,390.94
  5. Step 5: Solve for x
    x = 14,305,418,390.94/116,250.64
  6. Step 6: Final answer
    x = 123,056.69

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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.