Home / 220,664.81-303,561.85-193,317.74

Finding the Fourth Proportional to 220,664.81, 303,561.85 and 193,317.74

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Solution

The fourth proportional to 220,664.81, 303,561.85 and 193,317.74 is: 265,941.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,664.81 : 303,561.85 = 193,317.74 : x
  2. Step 2: Convert to fraction form
    220,664.81/303,561.85 = 193,317.74/x
  3. Step 3: Cross multiply
    220,664.81x = 303,561.85 × 193,317.74
  4. Step 4: Simplify right side
    220,664.81x = 58,683,890,835.65
  5. Step 5: Solve for x
    x = 58,683,890,835.65/220,664.81
  6. Step 6: Final answer
    x = 265,941.32

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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.