Home / 117,553.50-162,263.88-72,233.28

Finding the Fourth Proportional to 117,553.50, 162,263.88 and 72,233.28

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Solution

The fourth proportional to 117,553.50, 162,263.88 and 72,233.28 is: 99,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,553.50 : 162,263.88 = 72,233.28 : x
  2. Step 2: Convert to fraction form
    117,553.50/162,263.88 = 72,233.28/x
  3. Step 3: Cross multiply
    117,553.50x = 162,263.88 × 72,233.28
  4. Step 4: Simplify right side
    117,553.50x = 11,720,852,277.93
  5. Step 5: Solve for x
    x = 11,720,852,277.93/117,553.50
  6. Step 6: Final answer
    x = 99,706.54

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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.