Home / 170,155.20-255,223.46-51,816.62

Finding the Fourth Proportional to 170,155.20, 255,223.46 and 51,816.62

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Solution

The fourth proportional to 170,155.20, 255,223.46 and 51,816.62 is: 77,722.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,155.20 : 255,223.46 = 51,816.62 : x
  2. Step 2: Convert to fraction form
    170,155.20/255,223.46 = 51,816.62/x
  3. Step 3: Cross multiply
    170,155.20x = 255,223.46 × 51,816.62
  4. Step 4: Simplify right side
    170,155.20x = 13,224,817,041.91
  5. Step 5: Solve for x
    x = 13,224,817,041.91/170,155.20
  6. Step 6: Final answer
    x = 77,722.09

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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.