Home / 117,628.59-162,328.18-63,913.76

Finding the Fourth Proportional to 117,628.59, 162,328.18 and 63,913.76

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Solution

The fourth proportional to 117,628.59, 162,328.18 and 63,913.76 is: 88,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,628.59 : 162,328.18 = 63,913.76 : x
  2. Step 2: Convert to fraction form
    117,628.59/162,328.18 = 63,913.76/x
  3. Step 3: Cross multiply
    117,628.59x = 162,328.18 × 63,913.76
  4. Step 4: Simplify right side
    117,628.59x = 10,375,003,526.12
  5. Step 5: Solve for x
    x = 10,375,003,526.12/117,628.59
  6. Step 6: Final answer
    x = 88,201.38

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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.