Home / 117,864.08-162,653.76-64,149.44

Finding the Fourth Proportional to 117,864.08, 162,653.76 and 64,149.44

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Solution

The fourth proportional to 117,864.08, 162,653.76 and 64,149.44 is: 88,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,864.08 : 162,653.76 = 64,149.44 : x
  2. Step 2: Convert to fraction form
    117,864.08/162,653.76 = 64,149.44/x
  3. Step 3: Cross multiply
    117,864.08x = 162,653.76 × 64,149.44
  4. Step 4: Simplify right side
    117,864.08x = 10,434,147,617.89
  5. Step 5: Solve for x
    x = 10,434,147,617.89/117,864.08
  6. Step 6: Final answer
    x = 88,526.95

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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.