Home / 219,677.57-303,168.12-124,193.15

Finding the Fourth Proportional to 219,677.57, 303,168.12 and 124,193.15

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Solution

The fourth proportional to 219,677.57, 303,168.12 and 124,193.15 is: 171,393.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,677.57 : 303,168.12 = 124,193.15 : x
  2. Step 2: Convert to fraction form
    219,677.57/303,168.12 = 124,193.15/x
  3. Step 3: Cross multiply
    219,677.57x = 303,168.12 × 124,193.15
  4. Step 4: Simplify right side
    219,677.57x = 37,651,403,802.38
  5. Step 5: Solve for x
    x = 37,651,403,802.38/219,677.57
  6. Step 6: Final answer
    x = 171,393.94

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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.