Home / 152,847.76-229,317.18-72,945.70

Finding the Fourth Proportional to 152,847.76, 229,317.18 and 72,945.70

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Solution

The fourth proportional to 152,847.76, 229,317.18 and 72,945.70 is: 109,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,847.76 : 229,317.18 = 72,945.70 : x
  2. Step 2: Convert to fraction form
    152,847.76/229,317.18 = 72,945.70/x
  3. Step 3: Cross multiply
    152,847.76x = 229,317.18 × 72,945.70
  4. Step 4: Simplify right side
    152,847.76x = 16,727,702,217.13
  5. Step 5: Solve for x
    x = 16,727,702,217.13/152,847.76
  6. Step 6: Final answer
    x = 109,440.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.