Home / 219,586.16-303,012.98-121,465.25

Finding the Fourth Proportional to 219,586.16, 303,012.98 and 121,465.25

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Solution

The fourth proportional to 219,586.16, 303,012.98 and 121,465.25 is: 167,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,586.16 : 303,012.98 = 121,465.25 : x
  2. Step 2: Convert to fraction form
    219,586.16/303,012.98 = 121,465.25/x
  3. Step 3: Cross multiply
    219,586.16x = 303,012.98 × 121,465.25
  4. Step 4: Simplify right side
    219,586.16x = 36,805,545,246.55
  5. Step 5: Solve for x
    x = 36,805,545,246.55/219,586.16
  6. Step 6: Final answer
    x = 167,613.23

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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.