Home / 116,612.15-160,922.90-64,928.75

Finding the Fourth Proportional to 116,612.15, 160,922.90 and 64,928.75

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Solution

The fourth proportional to 116,612.15, 160,922.90 and 64,928.75 is: 89,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,612.15 : 160,922.90 = 64,928.75 : x
  2. Step 2: Convert to fraction form
    116,612.15/160,922.90 = 64,928.75/x
  3. Step 3: Cross multiply
    116,612.15x = 160,922.90 × 64,928.75
  4. Step 4: Simplify right side
    116,612.15x = 10,448,522,101.08
  5. Step 5: Solve for x
    x = 10,448,522,101.08/116,612.15
  6. Step 6: Final answer
    x = 89,600.63

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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.