Home / 156,865.43-216,473.70-88,895.35

Finding the Fourth Proportional to 156,865.43, 216,473.70 and 88,895.35

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Solution

The fourth proportional to 156,865.43, 216,473.70 and 88,895.35 is: 122,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,865.43 : 216,473.70 = 88,895.35 : x
  2. Step 2: Convert to fraction form
    156,865.43/216,473.70 = 88,895.35/x
  3. Step 3: Cross multiply
    156,865.43x = 216,473.70 × 88,895.35
  4. Step 4: Simplify right side
    156,865.43x = 19,243,504,786.11
  5. Step 5: Solve for x
    x = 19,243,504,786.11/156,865.43
  6. Step 6: Final answer
    x = 122,675.25

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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.