Home / 117,889.11-162,688.35-64,175.07

Finding the Fourth Proportional to 117,889.11, 162,688.35 and 64,175.07

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Solution

The fourth proportional to 117,889.11, 162,688.35 and 64,175.07 is: 88,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,889.11 : 162,688.35 = 64,175.07 : x
  2. Step 2: Convert to fraction form
    117,889.11/162,688.35 = 64,175.07/x
  3. Step 3: Cross multiply
    117,889.11x = 162,688.35 × 64,175.07
  4. Step 4: Simplify right side
    117,889.11x = 10,440,536,249.43
  5. Step 5: Solve for x
    x = 10,440,536,249.43/117,889.11
  6. Step 6: Final answer
    x = 88,562.35

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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.