Home / 114,639.20-158,200.80-64,337.12

Finding the Fourth Proportional to 114,639.20, 158,200.80 and 64,337.12

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Solution

The fourth proportional to 114,639.20, 158,200.80 and 64,337.12 is: 88,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,639.20 : 158,200.80 = 64,337.12 : x
  2. Step 2: Convert to fraction form
    114,639.20/158,200.80 = 64,337.12/x
  3. Step 3: Cross multiply
    114,639.20x = 158,200.80 × 64,337.12
  4. Step 4: Simplify right side
    114,639.20x = 10,178,183,853.70
  5. Step 5: Solve for x
    x = 10,178,183,853.70/114,639.20
  6. Step 6: Final answer
    x = 88,784.50

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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.